R. Raghunathan

发表

Synthesis, antimicrobial and antifungal activity of a new class of spiro pyrrolidines.

A. A. Raj, R. Raghunathan, M. R. SrideviKumari, 2003, Bioorganic & medicinal chemistry.

An efficient synthesis of highly functionalized novel chromeno[4,3-b]pyrroles and indolizino[6,7-b]indoles as potent antimicrobial and antioxidant agents.

A. Almansour, R. Raghunathan, N. Arumugam, 2012, Bioorganic & medicinal chemistry letters.

6-Phenyl-5a,6,6a,7,12,13a-hexahydro-5H-benzo[6,7]indolizino[3,2-a]pyrrolizine

R. Raghunathan, B. Gunasekaran, S. Kathiravan, 2009, Acta crystallographica. Section E, Structure reports online.

Synthesis of a Novel Dispiroheterocyclic Framework via the Regioselective 1,3‐Dipolar Cycloaddition Reaction of Azomethine Ylides

R. Raghunathan, A. R. Babu, 2007 .

An expedient sequential one-pot four component synthesis of novel steroidal spiro-pyrrolidine heterocycles in ionic liquid

R. Raghunathan, S. Balasubramanian, A. R. Babu, 2016, Steroids.

Ultrasonic assisted-silica mediated [3+2] cycloaddition of azomethine ylides—a facile multicomponent one-pot synthesis of novel dispiroheterocycles

R. Raghunathan, A. R. Babu, 2006 .

One-pot sequential azide–alkyne/intramolecular azomethine ylide 1,3-dipolar cycloaddition strategy for the synthesis of carbohydrate grafted macrocycles

R. Raghunathan, J. N. S. Rao, 2015 .

Methyl 4-(4-chlorophenyl)-3,3a,4,4a,5,12c-hexahydro-2-thianaphtho[1′,2′:3,2]furo[5,4-b]pyrrolizine-4a-carboxylate

B. Sridhar, R. Raghunathan, K. Ravikumar, 2010, Acta Crystallographica Section E.

Methyl 2-(2,2,4-trimethyl-6-tosylperhydro-1,3-dioxino[5,4-c]pyridin-5-yl)acetate

B. Sridhar, R. Raghunathan, K. Ravikumar, 2009, Acta crystallographica. Section E, Structure reports online.

Methyl 3-(2-chlorophenyl)-2-(1H-indol-3-ylmethyl)-5-[1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]-4-nitropyrrolidine-2-carboxylate

R. Raghunathan, N. Arumugam, S. Nirmala, 2008, Acta crystallographica. Section E, Structure reports online.

Methyl 3-(4-bromophenyl)-2-(1H-indol-3-ylmethyl)-5-[1-(4-methoxyphenyl)-4-oxo-2-phenylazetidin-2-yl]-4-nitropyrrolidine-2-carboxylate

R. Raghunathan, N. Arumugam, S. Nirmala, 2008, Acta crystallographica. Section E, Structure reports online.

(3aR,6S,6aR)-cis-6-Benzyl-1-(4-chlorophenyl)-5-tosylperhydropyrrolo[3,4-b]pyrrole

H. Fun, R. Raghunathan, K. Chinnakali, 2007 .

(S)-3-Phenyl-2-(tosylamino)propan-1-ol

H. Fun, R. Raghunathan, K. Chinnakali, 2007 .

cis-1-(4-Bromophenyl)-6-ethyl-5-tosylperhydropyrrolo[3,4-b]pyrrole

H. Fun, R. Raghunathan, K. Chinnakali, 2007 .

1‐Benzoyl‐6‐ethyl‐5‐(phenylsulfonyl)perhydropyrrolo[3,4‐b]pyrrole

R. Raghunathan, L. Sudha, K. Palani, 2007 .

3′‐(2‐Chlorophenyl)‐1′‐methyl‐4′nitrospiro[indan‐2,2′‐pyrrolidine]‐1,3‐dione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2004 .

2-Benzoyl-3-cyclohexyl-4-(p-methoxyphenyl)-5-phenylpyrrolidine-3-spiro-3′-chroman-4′-one

D. Velmurugan, H. Fun, M. Yogavel, 2003 .

Synthesis of acridinedione derived mono spiro-pyrrolidine/pyrrolizidine derivatives—a facile approach via intermolecular [3+2] cycloaddition reaction

R. Raghunathan, R. Rajesh, M. Suresh, 2014 .

Stereo- and regioselective synthesis of novel β-lactam tethered spiropyrrolizidine/pyrrolothiazole heterocyclic hybrids

A. Almansour, R. Raghunathan, Raju Suresh Kumar, 2021 .

An efficient one-pot synthesis of C2-symmetric triazolophanes by copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction

G. Periyasami, R. Raghunathan, R. Rajesh, 2010 .

Synthesis of Pyrrolo[2,3-a]pyrrolizidino Derivatives Through Intramolecular 1,3-Dipolar Cycloaddition in Ionic Liquid Medium

R. Raghunathan, S. Kathiravan, Subban Kathiravan, 2013 .

Regioselective synthesis of spiroxindolopyrrolidine: a one step cycloaddition reaction twists inherent optical and fluorescence property of ferrocene–anthracene dyad

R. Raghunathan, S. Sundaramoorthy, P. Saravanan, 2016 .

Synthesis of Chlorin-Fused Monospirooxindolopyrrolidines Through a Facile [3 + 2]-Cycloaddition of Azomethine Ylides

R. Raghunathan, A. R. Babu, P. Saravanan, 2010 .

Synthesis of Novel Ferrocenyl Oxindole and Ferrocene Substituted Dispiroheterocycles Through [3+2]Cycloaddition of Azomethine Ylides

R. Raghunathan, J. Jayashankaran, R. Durga, 2006 .

Regioselective synthesis and antioxidant activity of a novel class of mono and C-symmetric bis-1,2,3-triazole and acridinedione grafted macromolecules

Shanmugam Rajasekar, A. Almansour, R. Raghunathan, 2020 .

3-[2-(9-Ethyl-9H-carbazol-3-yl)-6-methyl-3-quinolyl]propan-1-ol

R. Raghunathan, S. Murugavel, A. Subbiahpandi, 2008, Acta crystallographica. Section E, Structure reports online.

Synthesis of Aminoclay protected Palladium Nanoparticles and Study Its Catalytic Activity in Organic synthesis

R. Ramya, R. Raghunathan, K. Pandian, 2015 .

A tactical approach for the synthesis of novel β-lactam-substituted, polycyclic-fused isoxazolidine derivatives via an intramolecular [3+2] cycloaddition reaction

R. Raghunathan, R. Rajesh, M. Suresh, 2014 .

Stereoselective synthesis of novel glyco-pyrano pyrrolidines/pyrrolizidines/indolizidines through intramolecular [3+2] cycloaddition approach

R. Raghunathan, N. Sirisha, 2010 .

1,3-Dipolar cycloaddition reaction on carbohydrate template: Stereoselective synthesis of glycospiroheterocycles

R. Raghunathan, R. Prasanna, S. Purushothaman, 2020 .

Facile Synthesis of β-Lactam-Grafted Spirooxindolopyrrolidine Through Regioselective 1,3-Dipolar Cycloaddition Reaction

R. Raghunathan, N. Arumugam, 2011 .

A Clean and Expedient Synthesis of Pyrido[1,4]oxazepino Spiropyrrolidines Through One-Pot, Three-Component [3 + 2] Cycloaddition Reaction

R. Raghunathan, S. Kathiravan, A. R. Suresh Babu, 2010 .

A High Regioselective Synthesis of Novel Dispiro[oxindole-cyclohexanone]pyrrolidines

R. Raghunathan, A. Amal Raj, 2003 .

Diastereoselective synthesis of cis-fused pyrano[4,5-c]pyrrole derivatives via microwave-accelerated intramolecular Knoevenagal hetero Diels–Alder reaction

R. Raghunathan, M. Jayagobi, 2010 .

Synthesis of novel spiropyrrolidines through [3+2] cycloaddition reactions with Baylis-Hillman adducts as dipolarophiles

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2006 .

Efficient Synthesis of Dispiropyrrolidines Linked to Sugars

R. Raghunathan, Sirisha Nallamala, 2013 .

Convenient synthesis of ferrocenyl β-C-glycosydic spiropyrrolidines and pyrrolizidines through 1,3-dipolar cycloaddition reaction

R. Raghunathan, M. Suresh, R. Prasanna, 2011 .

An efficient synthesis of thiopyrano[5,6-c]coumarin/[6,5-c]chromones through intramolecular domino Knoevenagel hetero Diels–Alder reactions

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2006 .

Regio- and stereoselective synthesis of novel β-lactam engrafted spiroheterocyclic hybrids via one-pot three component cycloaddition strategy

A. Almansour, R. Raghunathan, Raju Suresh Kumar, 2020, Tetrahedron Letters.

TiO2–silica mediated one pot three component 1,3-dipolar cycloaddition reaction: a facile and rapid synthesis of dispiro acenaphthenone/oxindole [indanedione/oxindole] pyrroloisoquinoline ring systems

R. Raghunathan, A. R. Babu, 2007 .

Solvent-free microwave-assisted conversion of Baylis–Hillman adducts of ninhydrin into functionalized spiropyrrolidines/pyrrolizidines through 1,3-dipolar cycloaddition

M. Kathiresan, R. Raghunathan, E. Ramesh, 2007 .

A facile synthesis of novel dispiroheterocycles through solvent-free microwave-assisted [3+2] cycloaddition of azomethine ylides

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2004 .

Synthesis of β‐Lactam‐Tethered Polycyclic Fused Heterocycles through a Rearrangement by a One‐Pot Tandem [3+2] Cycloaddition Reaction

R. Raghunathan, R. Rajesh, 2013 .

A novel entry to dispiropyrrolo-bicyclo[2.2.1]heptanes through sequential 1,3-dipolar and Diels–Alder cycloaddition reactions

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2006 .

Synthesis of highly functionalized β-lactam substituted pyrroloisoquinoline and indolizinoindole system by sequential intermolecular 1,3-dipolar cycloaddition reaction and Pictet-Spengler cyclization

R. Raghunathan, N. Arumugam, 2010 .

A facile one-pot three-component synthesis of ferrocene-grafted dispiro pyrrolidine/pyrrolizidine scaffolds through intermolecular [3+2] cycloaddition reaction of ferrocenyl Baylis–Hillman adduct

R. Raghunathan, S. Kathiravan, Subban Kathiravan, 2009 .

Synthesis of pyrrolo[2,3-a]pyrrolizine and pyrrolizine[2,3-a]pyrrolizine derived from allyl derivatives of Baylis–Hillman adducts through intramolecular 1,3-dipolar cycloaddition

R. Raghunathan, Subban Kathiravan, E. Ramesh, 2009 .

Microwave-Assisted K-10 Montmorillonite Clay–Mediated Knoevenagel Hetero-Diels–Alder Reactions: A Novel Protocol for the Synthesis of Polycyclic Pyrano[2,3,4-kl]xanthene Derivatives

R. Raghunathan, E. Ramesh, 2009 .

An expedient microwave-assisted, solvent-free, solid-supported synthesis of pyrrolo[2,3-d]pyrimidine-pyrano[5,6-c]coumarin/[6,5-c]chromone derivatives by intramolecular hetero Diels–Alder reaction

R. Raghunathan, E. Ramesh, 2008 .

A facile synthesis of chromeno[4,3-b]pyrroles derived from allyl derivatives of Baylis–Hillman adducts through intramolecular 1,3-dipolar cycloaddition using ultrasonication

R. Raghunathan, E. Ramesh, 2008 .

Methyl 1′-(2-hydroxy-1,3-dioxoindan-2-yl)-1,3-dioxoindane-2-spiro-3′-pyrrolizidine-1′-carboxylate

R. Raghunathan, S. Murugavel, A. Subbiahpandi, 2007 .

An Easy Access to Spiroisoxazoline [5,31] Flavan-41-one Through 1,3-Dipolar Cycloaddition Reaction of Nitrile Oxide to Unusual Dipolarophiles

R. Raghunathan, J. Jayashankaran, S. Manikandan, 2003 .

A novel entry into a new class of spiroheterocyclic framework: regioselective synthesis of dispiro[oxindole-cyclohexanone]pyrrolidines and dispiro[oxindole-hexahydroindazole]pyrrolidines

A. A. Raj, R. Raghunathan, 2001 .

Synthesis of highly substituted spiropyrrolidines via 1,3-dipolar cycloaddition reaction of N-metalated azomethine ylides

R. Raghunathan, G. Subramaniyan, 2001 .

Synthesis of Novel Spiroheterocycles Through 1,3-Dipolar Cycloaddition of Azomethine Ylides with Triarylideneacetylacetone Through Decarboxylation

R. Raghunathan, S. S. Narayanan, R. Murugan, 2010 .

A facile synthesis of ferrocene grafted N-methyl-spiropyrrolidines through 1,3-dipolar cycloaddition of azomethine ylides

R. Raghunathan, A. R. Sureshbabu, B. K. Satiskumar, 2009 .

An expedient synthesis of ferrocene grafted spirooxindolopyrrolizidines via [3+2]-cycloaddition of azomethine ylides

R. Raghunathan, A. R. Babu, Sundari Baskaran, 2009 .

Synthesis of ferrocenyl monospirooxindolopyrrolidines-a facile [3+2]-cycloaddition of azomethine ylides

R. Raghunathan, A. R. Babu, 2008 .

TiO2—Silica Mediated One-Pot Three Component 1,3-Dipolar Cycloaddition Reaction: A Facile and Rapid Synthesis of Dispiro Acenaphthenone/Oxindole [Indanedione/Oxindole] Pyrroloisoquinoline Ring Systems.

R. Raghunathan, A. R. Babu, 2007 .

A novel entry into 1-methyl- and 1-aryl-octahydropyrrolo[3,4-b]pyrroles and their N-1–C-2 fused derivatives: stereoselective synthesis via an intramolecular azomethine ylide cycloaddition reaction

R. Raghunathan, M. Poornachandran, 2005 .

A novel access to highly functionalised β-lactams by regio- and stereoselective 1,3-dipolar cycloaddition reaction

R. Raghunathan, N. Arumugam, J. Jayashankaran, 2005 .

A regioselective synthesis of dispiro[oxindole-cyclohexanone]pyrrolidines and dispiro[oxindole-hexahydroindazole]pyrrolidines by sequential 1,3-dipolar cycloaddition and annulation through a microwave induced solvent-free approach

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2005 .

High, Exoselective Diels–Alder Reaction in 5.0M Lithium Perchlorate in Diethyl Ether Medium: Efficient Synthesis of Novel Heterocyclic Derivatives Containing a Spirobicyclo[2.2.1]heptane System

R. Raghunathan, M. Shanmugasundaram, 2000 .

A facile synthesis of novel ferrocene grafted spiro-indenoquinoxaline pyrrolizidines via one-pot multicomponent [3+2] cycloaddition of azomethine ylides

R. Raghunathan, A. R. Babu, D. Gavaskar, 2012 .

2-[(Ferrocen-1-yl)(hydroxy)methyl]prop-2-enenitrile

R. Raghunathan, K. Ravikumar, S. Selvanayagam, 2013, Acta crystallographica. Section E, Structure reports online.

Stereoselective synthesis of hexahydro-3-methyl-1-arylchromeno[3,4-b]pyrrole and its annulated heterocycles as potent antimicrobial agents for human pathogens.

R. Rengasamy, R. Raghunathan, S. Nagaraj, 2010, Bioorganic & medicinal chemistry letters.

Synthesis of Spiroisoxazoline[5.31]-chroman-41-one.

R. Raghunathan, E. Malar, M. Shanmugasundaram, 2000 .

Regioselective Synthesis of Dispiro Pyrrolizidines as Potent Antimicrobial Agents for Human Pathogens

R. Raghunathan, N. Sirisha, 2013 .

A rapid access to indolo[2,1-a]pyrrolo[4′,3′:4,5]pyrano[5,6-c]coumarin/[6,5-c]chromone derivatives by domino Knoevenagal intramolecular hetero Diels–Alder reactions

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2007 .

An easy access to novel steroidal dispiropyrrolidines through 1,3-dipolar cycloaddition of azomethine ylides

R. Raghunathan, A. R. Babu, 2008 .

A greener approach for the synthesis of 1-N-methyl-(spiro[2.3′]oxindolespiro[3.2″]/spiro[2.3′]indan-1,3-dionespiro[2.2″])cyclopentanone-4-aryl pyrrolidines

R. Raghunathan, T. Gunasundari, G. Sridhar, 2007 .

Microwave induced one-pot synthesis of fluorenespiro[9.3′]-(4′-aryl)pyrrolidine/pyrrolizidine/tetrahydropyrrolo[1,2-c]thiazolespiro[2′.2″]indan-1″,3″-dione derivatives

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2006 .

Regioselective synthesis of novel spirooxindolo and spiroindano nitro pyrrolidines through 3+2 cycloaddition reaction

R. Raghunathan, M. Poornachandran, R. Muruganantham, 2006 .

An expedient one-pot sequential five-component synthesis of highly substituted spiro-pyrrolidine heterocycles

R. Raghunathan, A. R. Babu, D. Gavaskar, 2014 .

A Novel Entry into a New Class of (Chromanone-pyrrolidine/pyrrolizidine/pyrrolo[1,2-c]thiazole/pyrrolo[1,2-a]isoquinoline)indane-1,3-dione Ring Systems through [3+2] Cycloaddition

R. Raghunathan, J. Jayashankaran, R. S. Manian, 2006 .

cis-1-Ethyl-4,4,6,8-tetramethyl-2-tosyl-2,3,3a,4,6,7,8,9-octahydro-1H-pyrrolo[3′,4′:3,4]pyrano[6,5-d]pyrimidine-7,9-dione

H. Fun, R. Raghunathan, D. Sudha, 2009, Acta crystallographica. Section E, Structure reports online.

ZrOCl2·8H2O mediated microwave induced [3+2] cycloaddition of azomethine ylides—a facile one-pot synthesis of novel dispiroheterocycles

R. Raghunathan, A. R. Babu, 2007 .

A facile synthesis of glyco 3-nitrochromane hybrid pyrrolidinyl spiro heterocycles via [3+2] cycloaddition of azomethine ylides

R. Raghunathan, J. N. S. Rao, 2015 .

A tactical 1,3-dipolar cycloaddition approach for the synthesis of carbohydrate derived polycyclic spiro heterocycles

R. Raghunathan, J. N. S. Rao, 2015 .

Ionic liquid accelerated multicomponent sequential assembly of ferrocene grafted spiro-heterocycles

R. Raghunathan, S. Balasubramanian, A. R. Babu, 2014 .

An expedient ultrasonic assisted one-pot four component synthesis of novel ferrocene grafted pyrrolidine heterocycles via [3 + 2]-cycloaddition of azomethine ylides

R. Raghunathan, A. R. Babu, D. Gavaskar, 2013 .

Synthesis and antimicrobial activity of highly functionalised novel β-lactam grafted spiropyrrolidines and pyrrolizidines.

G. Periyasami, J. Muthumary, R. Raghunathan, 2011, European journal of medicinal chemistry.

Regioselective Synthesis of Novel Dispiro-oxindoloindenoquinoxaline Pyrrolidines through 1,3-Dipolar Cycloaddition Methodology

R. Raghunathan, A. R. Babu, 2008 .

Regio- and stereoselective synthesis of novel tetraspiro-bispyrrolidine and bisoxindolopyrrolidine derivatives through 1,3-dipolar cycloaddition reaction

R. Raghunathan, R. Rajesh, 2010 .

Highly regioselective synthesis of glycospiro heterocycles through 1,3-dipolar cycloaddition reaction

R. Raghunathan, R. Prasanna, S. Purushothaman, 2010 .

Regioselective synthesis and antimicrobial screening of novel ketocarbazolodispiropyrrolidine derivatives.

G. Periyasami, R. Raghunathan, N. Mathivanan, 2009, European journal of medicinal chemistry.

Synthesis of glucosylspiro-oxindole derivatives via one-pot three-component cycloaddition of azomethine ylides

R. Raghunathan, R. Prasanna, S. Purushothaman, 2014 .

Crystal structure of ethyl (2S,2′R)-1′-benzyl-3-oxo-3H-dispiro[1-benzothiophene-2,3′-pyrrolidine-2′,11′′-indeno[1,2-b]quinoxaline]-4′-carboxylate

R. Raghunathan, R. Raja, J. Govindaraj, 2015, Acta crystallographica. Section E, Crystallographic communications.

Novel One Pot Regioselective Multicomponent Synthesis of Highly Functionlaized Spiro Pyrrolidines Through 1,3-Dipolar Cycloaddition Approach

R. Raghunathan, Subban Kathiravan, 2013 .

Synthesis, Characterisation, Anti-Microbial Activity and Docking Studies of Novel Dispiro- Oxindolopyrrolidines

D. Velmurugan, R. Raghunathan, N. Mathivanan, 2008 .

A facile synthesis of 1,3-diphenyl-4-arylspiro[pyrazoline-5, 3′-flavan-4′-one]†

R. Raghunathan, S. Manikandan, 2001 .

A FORMAL [3 + 2] CYCLOADDITION STRATEGY FOR THE SYNTHESIS OF UNIQUE CLASS OF DISPIROHETEROCYCLES

R. Raghunathan, M. Ashraf, S. Manikandan, 2001 .

Synthesis of novel spiropyrrolizidines as potent antimicrobial agents for human and plant pathogens.

G. Periyasami, R. Raghunathan, N. Mathivanan, 2008, Bioorganic & medicinal chemistry letters.

Competition between two intramolecular domino Knoevenagel hetero Diels-Alder reactions: a new entry into novel pyranoquinolinone derivatives

R. Raghunathan, M. Shanmugasundaram, S. Manikandan, 2002 .

Regioselective synthesis of spiropyrrolidine/spiropyrrolizidine/spirothiazolidine-grafted macrocycles through 1,3-dipolar cycloaddition methodology

R. Raghunathan, R. Prasanna, S. Purushothaman, 2013 .

Synthesis of novel spiropyrrolizidines as potent antimicrobial agents for human and plant pathogens.

G. Periyasami, R. Raghunathan, N. Mathivanan, 2008, Bioorganic & medicinal chemistry letters.

A bright entry to improve the performance of DSSCs with the influence of novel optoelectronic acridinedione based macromolecules in I−/I3− electrolytes

G. Periyasami, P. Maruthamuthu, R. Raghunathan, 2013 .

An expedient approach for the synthesis of naphthyl dispiro pyrrolidine/pyrrolizidine through 1,3-dipolar cycloaddition reaction

R. Raghunathan, P. Saravanan, S. Pushparaj, 2013 .

Synthesis of spiropyrrolidines: 1,3‐dipolar cycloaddition reactions of an azomethine ylide to unusual dipolarophiles; a molecular orbital study of the cycloaddition reaction

A. A. Raj, R. Raghunathan, E. Malar, 1999 .

An efficient synthesis of pyrano [4,5-c] pyrrole derivatives through microwave—accelerated intramolecular Knoevenagal hetero Diels–Alder reaction

R. Raghunathan, M. Jayagobi, 2009 .

Ultrasonic-Assisted Silica-Mediated [3 + 2] Cycloaddition of Azomethine Ylides — A Facile Multicomponent One-Pot Synthesis of Novel Dispiroheterocycles.

R. Raghunathan, A. R. Babu, 2007 .

Synthesis of spiropyrazoline [5.3′] 4′-chromanones

R. Raghunathan, E. Malar, M. Shanmugasundaram, 1998 .

Crystal structure analysis of a new coumarin derivative

D. Velmurugan, H. Fun, R. Raghunathan, 2001 .

Ethyl 1′-methyl-2-oxo-4′-[(3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4′,5′-d]pyran-5-yl]-2H-spiro[acenaphthylene-1,2′-pyrrolidine]-3′-carboxylate

R. Raghunathan, K. Sethusankar, R. Prasanna, 2013, Acta crystallographica. Section E, Structure reports online.

Novel synthesis of naphtho[2,1-b]pyrano pyrrolizidines and indolizidines through intramolecular 1,3-dipolar cycloaddition reaction

R. Raghunathan, Subban Kathiravan, D. Vijayarajan, 2010 .

Expedient Synthesis of N-FusedIndoles through an Intramolecular [3+2]-CycloadditionApproach

R. Raghunathan, Subban Kathiravan, 2010 .

An Expedient Microwave-Assisted, Solvent-Free, Solid-Supported Synthesis of Pyrrolo[2,3-d]pyrimidine-pyrano[5,6-c]coumarin/[6,5-c]chromone Derivatives by Intramolecular hetero Diels—Alder Reaction.

R. Raghunathan, E. Ramesh, 2008 .

An expedient diastereoselective synthesis of pyrrolidinyl spirooxindoles fused to sugar lactone via [3+2] cycloaddition of azomethine ylides

R. Raghunathan, J. N. S. Rao, 2012 .

Synthesis of Highly Functionalized β-Lactam Substituted Pyrroloisoquinoline and Indolizinoindole System by Sequential Intermolecular 1,3-Dipolar Cycloaddition Reaction and Pictet—Spengler Cyclization.

R. Raghunathan, N. Arumugam, 2010 .

Stereoselective synthesis of bis-β-lactam grafted macrocycles

R. Raghunathan, N. Arumugam, 2006 .

Stereoselective synthesis of 5-(41-azetidinyl)-proline esters via 1,3-dipolar cycloaddition reaction of N-metalated azomethine ylides

R. Raghunathan, A. M. Castro, G. Subramaniyan, 2003 .

A highly regioselective synthesis of 1‐n‐methyl‐spiro‐[2,3′“]‐oxindole‐spiro‐[3,2”]indane‐1“, 3”‐dione‐4‐arylpyrrolidines through 1,3‐dipolar cycloaddition protocol

G. N. Sastry, R. Raghunathan, A. R. Babu, 2006 .

Rapid Access for the Synthesis of 1‐N‐Methyl‐spiro[2.3′]oxindole‐spiro[3.7″] (3″‐Aryl)‐5″‐methyl‐3″,3a″,4″,5″,6″,7″‐hexahydro‐2H‐pyrazolo[4,3‐c]pyridine‐4‐aryl‐pyrrolidines Through Sequential 1,3‐Dipolar Cycloaddition and Annulation

R. Raghunathan, G. Sridhar, 2006 .

Stereoselective synthesis of oxazolidine, hexahydropyrrolo [2,1-b] oxazole, and tetrahydro-2H-oxazolo [3,2-c] thiazole grafted macrocycles through intramolecular 1,3-dipolar cycloaddition reaction

R. Raghunathan, S. Purushothaman, 2009 .

A Facile Synthesis of Chromeno[4,3-b]pyrroles Derived from Allyl Derivatives of Baylis—Hillman Adducts Through Intramolecular 1,3-Dipolar Cycloaddition Using Ultrasonication.

R. Raghunathan, E. Ramesh, 2008 .

Synthesis of dispirooxindolecycloalka[d]pyrimidino[2,3-b]-thiazole pyrrolidine/thiapyrrolizidine ring systems

R. Raghunathan, M. Poornachandran, 2006 .

Expedient Synthesis of Novel Ferrocenyl Spiropyrrolidines Through 1,3‐Dipolar Cycloaddition Reaction

R. Raghunathan, S. Kathiravan, Subban Kathiravan, 2014 .

Methyl 5-ferrocenyl-5a-hydroxy-1-methyl-10-oxo-2,3,3a,4,5a,10-hexahydro-1H-indeno[1,2:2′,3′]furo[3′,4′-b]pyrrole-3a-carboxylate

R. Raghunathan, S. Kathiravan, S. Nirmala, 2009, Acta crystallographica. Section E, Structure reports online.

Methyl 3-[ferrocenyl(hydroxy)methyl]-1-methyl-2′-oxospiro[pyrrolidine-2,3′-indoline]-3-carboxylate

R. Raghunathan, S. Nirmala, S. Kathiravan, 2009, Acta crystallographica. Section E, Structure reports online.

Synthesis of Pyrrolo[2,3-a]pyrrolizine and Pyrrolizine[2,3-a]pyrrolizine Derived from Allyl Derivatives of Baylis—Hillman Adducts Through Intramolecular 1,3-Dipolar Cycloaddition.

R. Raghunathan, Subban Kathiravan, E. Ramesh, 2009 .

A novel diastereoselective 1,3-dipolar cycloaddition approach to cis-fused bispyrrolidines

R. Raghunathan, M. Poornachandran, 2008 .

Synthesis of pyrrolo[3,4-b]pyrroles and perhydrothiazolo[3′,4′-2,3]pyrrolo[4,5-c]pyrroles

R. Raghunathan, M. Poornachandran, 2008 .

Microwave-Assisted K-10 Montmorillonite Clay-Mediated Knoevenagel Hetero-Diels—Alder Reactions: A Novel Protocol for the Synthesis of Polycyclic Pyrano[2,3,4-kl]xanthene Derivatives.

R. Raghunathan, E. Ramesh, 2009 .

cis-3-Methyl-1-phenyl-8a,9,10,11,12,12a,12b-hexahydro-1H,3bH-pyrazolo[3,4:2′,3′]pyrano[4′,5′,6′-kl]xanthene

R. Raghunathan, S. Nirmala, L. Sudha, 2007, Acta crystallographica. Section E, Structure reports online.

A Rapid Access to Indolo[2,1‐a]pyrrolo[4′,3′:4,5]pyrano[5,6‐c]coumarin/[6,5‐c]chromone Derivatives by Domino Knoevenagel Intramolecular Hetero Diels—Alder Reactions.

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2007 .

An Efficient Synthesis of Thiopyrano[5,6‐c]coumarin/[6,5‐c]chromones Through Intramolecular Domino Knoevenagel Hetero Diels—Alder Reactions.

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2006 .

Synthesis and antimicrobial activities of novel ferrocenyl dispiropyrrolidines and pyrrolizidines

R. Raghunathan, G. Suresh, G. Siva, 2011, Medicinal Chemistry Research.

TiO2-Mediated, One-Pot, Four-Component 1,3-Dipolar Cycloaddition Reaction: A Facile Synthesis of Dispiro-pyrrolidine Ring Systems

R. Raghunathan, A. R. Suresh Babu, A. S. Suresh Babu, 2008 .

A Facile Synthesis of Glyco 3‐Nitrochromane Hybrid Pyrrolidinyl Spiro Heterocycles via [3 + 2] Cycloaddition of Azomethine Ylides.

R. Raghunathan, J. N. S. Rao, 2015 .

Synthesis of Acridinedione Derived Mono Spiro‐pyrrolidine/pyrrolizidine Derivatives — A Facile Approach via Intermolecular [3 + 2] Cycloaddition Reaction.

R. Raghunathan, R. Rajesh, M. Suresh, 2014 .

An Expedient One-Pot Sequential Five-Component Synthesis of Highly Substituted Spiro-Pyrrolidine Heterocycles.

R. Raghunathan, A. R. Babu, D. Gavaskar, 2014 .

An Expedient Synthesis of Pyrrolidinyl Spirooxindole Grafted 3-Nitrochromanes Through 1,3-Dipolar Cycloaddition Reaction of Azomethine Ylides

R. Raghunathan, J. N. S. Rao, 2013 .

An Expedient Approach for the Synthesis of Naphthyl Dispiro Pyrrolidine/Pyrrolizidine Through 1,3-Dipolar Cycloaddition Reaction.

R. Raghunathan, P. Saravanan, S. Pushparaj, 2013 .

An Expedient Diastereoselective Synthesis of Pyrrolidinyl Spirooxindoles Fused to Sugar Lactone via [3 + 2] Cycloaddition of Azomethine Ylides.

R. Raghunathan, J. N. S. Rao, 2012 .

Novel Synthesis of Naphtho[2,1-b]pyrano Pyrrolizidines and Indolizidines Through Intramolecular 1,3-Dipolar Cycloaddition Reaction.

R. Raghunathan, Subban Kathiravan, D. Vijayarajan, 2010 .

Synthesis of Dispirooxindolecycloalka[d]pyrimidino[2,3-b]thiazole Pyrrolidine/Thiapyrrolizidine Ring Systems.

R. Raghunathan, M. Poornachandran, 2007 .

Regioselective Synthesis of Dispirocycloalkanooxindolopyrrolidines and Dispirocyclalkanoindanopyrrolidines

R. Raghunathan, M. Poornachandran, M. Jayagobi, 2010 .

Regioselective Synthesis of rac-(1R,4R,6R,6aR)-6′-phenyl-7′,8′-dihydro-1″H,2′H,6′H-dispiro[cycloalkane-1,5′-pyrrolo[1,2-c][1,3]thiazole-4′,3″-indole]-2,2″-diones through 3 + 2 cycloaddition Reaction

R. Raghunathan, M. Poornachandran, M. Jayagobi, 2009 .

Ethyl 1’-[1-(4-methoxyphenyl)-3-phenoxy-4-phenylazetidin-1-yl]-1,3-dioxo-2′,3′,5′,6′,7′,7a′-hexahydroindan-2-spiro-3′-1′H-pyrrolizine-2′-carboxylate

R. Raghunathan, N. Arumugam, S. Nirmala, 2008, Acta crystallographica. Section E, Structure reports online.

Rapid synthesis of tetrahydroquinolines by indium trichloride catalyzed mono- and bis-intramolecular imino Diels-alder reactions

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2006 .

Novel Synthesis of N‐Methyl Spiropyrrolidines by 1,3‐Dipolar Cycloaddition Reaction of Azomethine Ylides

R. Raghunathan, J. Jayashankaran, G. Subramaniyan, 2005 .

Synthesis of spiro pyrrolidines via formal [3+2] cycloaddition of unusual enones and cis-3-benzoyl-1-cyclohexyl-2-phenylaziridine

A. A. Raj, R. Raghunathan, 2003 .

A Novel Entry into a New Class of Spiro Heterocyclic Framework: A Facile Synthesis of Dispiro[oxindole-1,2,3,4-tetrahydro-naphthalen-1-one]pyrrolidines and Spiro[1,2,3,4-tetrahydro-naphthalen-1-one]pyrrolidines

R. Raghunathan, A. Amal Raj, 2003 .

A facile entry into a new class of spiroheterocycles: synthesis of dispiro[oxindolechromanone/flavanone/tetralone]pyrroloisoquinoline ring systems

R. Raghunathan, M. Nethaji, G. Subramaniyan, 2002 .

A Novel Entry into a New Class of Spiroheterocyclic Framework: Regioselective Synthesis of Dispiro[oxindole-cyclohexanone]pyrrolidines and Dispiro[oxindolehexahydroindazole]pyrrolidines.

A. A. Raj, R. Raghunathan, 2002 .

An Easy Access to Spiroisoxazoline [5,31] Flavan‐41‐one Through 1,3‐Dipolar Cycloaddition Reaction of Nitrile Oxide to Unusual Dipolarophiles.

R. Raghunathan, J. Jayashankaran, S. Manikandan, 2004 .

An intramolecular Diels-Alder reaction involving fulvenes as 4π components-stereoselective synthesis of novel oxatricyclo[6.4.0.02,10] dodeca-2,11-diene ring system

R. Raghunathan, M. Shanmugasundaram, S. Manikandan, 2002 .

Fulvenes acting as 4π components in an intramolecular [4+2]cycloaddition reaction: Entry into the novel 6-oxatricyclo[6.4.0.02,10]dodeca-2,11-diene ring system

R. Raghunathan, M. Shanmugasundaram, 1999 .

A regioselective 1,3-dipolar cycloaddition of 2-arylidene-1-tetralones with DPNI

R. Raghunathan, E. Malar, S. A. Babu, 1999 .

Synthesis of spiropyrazolines

R. Raghunathan, E. Malar, M. Shanmugasundaram, 1998 .

Synthesis of Highly Substituted Pyrrolidines Through 1,3-Dipolar Cycloaddition Reaction of N-Metalated Azomethine Ylides with Triarylideneacetylacetone as Dipolarophile Using Titanocene Dichloride

R. Raghunathan, S. S. Narayanan, R. Murugan, 2009 .

Microwave induced regioselective synthesis of novel dispiro[acenaphthenone- indanedione]pyrrolizidines

R. Raghunathan, A. R. Babu, 2006 .

Methyl 11,2,3,3a‐5a‐hydroxy‐1‐methyl‐10‐oxo‐4‐phenyl 10H‐indeno[1,2‐b]furo[3,4‐b]pyrrole‐3a‐carboxylate

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2005 .

A Facile Synthesis of Dispiro[oxindole‐cyclohexanone] Pyrroloisoquinoline by Formal 1,3‐Dipolar Cycloaddition Strategy

R. Raghunathan, G. Subramaniyan, 2004 .

A New Access to Dispiro 7-Oxaindazolidines Spiroxindole Derivatives

R. Raghunathan, J. Jayashankaran, Rathna Durga R. S. Manian, 2003 .

A Novel Entry into a New Class of Dispiroheterocycles Through Azomethine Ylides Involving Unusual Dipolarophiles

R. Raghunathan, J. Jayashankaran, S. Manikandan, 2003 .

FLAVINDOGENIDES AS 2π COMPONENT IN 1,3-DIPOLAR CYCLOADDITION REACTION—AN EFFICIENT SYNTHESIS OF NEW CLASS OF DISPIROHETEROCYCLES

R. Raghunathan, S. Manikandan, 2002 .

Synthesis of Highly Substituted Spiropyrrolidines via 1,3‐Dipolar Cycloaddition Reaction of N‐Metalated Azomethine Ylides.

R. Raghunathan, G. Subramaniyan, 2001 .

Synthesis of novel beta-lactam fused spiroisoxazolidine chromanones and tetralones as potent antimicrobial agent for human and plant pathogens.

R. Raghunathan, N. Mathivanan, N. Arumugam, 2010, Bioorganic & medicinal chemistry letters.

Synthesis of spiro[3,4-diaryl-4,5-dihydroisoxazole-5,2′-1′,2′,3′,4-tetrahydro-1′-naphthalenone]

R. Raghunathan, M. Shanmugasundaram, S. Manikandan, 2001 .

Indium Chloride/Silica Gel Supported Synthesis of Pyrano/Thiopyranoquinolines Through Intramolecular Imino Diels—Alder Reaction Using Microwave Irradiation.

R. Raghunathan, E. Ramesh, T. K. Vidhya, 2008 .

Indium chloride/silica gel supported synthesis of pyrano/thiopyranoquinolines through intramolecular imino Diels–Alder reaction using microwave irradiation

R. Raghunathan, E. Ramesh, T. K. Vidhya, 2008 .

Indium chloride catalyzed intramolecular cyclization of N-aryl imines: synthesis of pyrrolo[2,3-d]pyrimidine annulated tetrahydroquinoline derivatives

R. Raghunathan, E. Ramesh, 2008 .

Synthesis of Novel Spiroheterocycles Through 1,3-Dipolar Cycloaddition of Azomethine Ylides with Triarylideneacetylacetone Through Decarboxylation.

R. Raghunathan, S. S. Narayanan, R. Murugan, 2011 .

DOUBLE 1,3-DIPOLAR CYCLOADDITION OF 2,6-BIS(ARYLMETHYLIDENE)-CYCLOHEXANONES: A NOVEL ENTRY INTO THE SYNTHESIS OF 2′,6′- BIS-SPIRO(1-N-METHYL-4-ARYL-PYRROLIDINE)CYCLOHEXANONES

R. Raghunathan, A. Amal Raj, 2002 .

High, Exoselective Diels—Alder Reaction in 5.0 M Lithium Perchlorate in Diethyl Ether Medium: Efficient Synthesis of Novel Heterocyclic Derivatives Containing a Spirobicyclo[2.2.1]heptane System.

R. Raghunathan, M. Shanmugasundaram, 2000 .

3-Phenylspiro[bicyclo[2.2.1]hept-5-ene-2,3'-chroman]-4'-one

D. Velmurugan, L. Govindasamy, H. Fun, 1998 .

1-Benzoylacenaphthylene-1-spiro-3′-pyrrolizidine-2′-spiro-3′′-1H-indole-2,2′′(1H,3′′H)-dione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2004 .

1-(2-Chlorophenyl)-1H-indan-2-spiro-2′-pyrrolizidine-3′-spiro-3′′-1H-indole-1,3,2′′(2H,3′′H)-trione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2004 .

Facile Synthesis of cis-Fused 1-Benzyl/-H-5-arylsulfonyl Pyrrolo[3,4-b]pyrroles

R. Raghunathan, M. Poornachandran, 2009 .

A Novel Entry into 1-Methyl- and 1-Aryl-octahydropyrrolo[3,4-b]pyrroles and Their N-1—C-2 Fused Derivatives: Stereoselective Synthesis via an Intramolecular Azomethine Ylide Cycloaddition Reaction.

R. Raghunathan, M. Poornachandran, 2006 .

Crystal structures of methyl 3-(4-isopropylphenyl)-1-methyl-1,2,3,3a,4,9b-hexahydrothiochromeno[4,3-b]pyrrole-3a-carboxylate, methyl 1-methyl-3-(o-tolyl)-1,2,3,3a,4,9b-hexahydrothiochromeno[4,3-b]pyrrole-3a-carboxylate and methyl 1-methyl-3-(o-tolyl)-3,3a,4,9b-tetrahydro-1H-thiochromeno[4,3-c]isoxaz

R. Raghunathan, R. Raja, A. Subbiahpandi, 2015, Acta crystallographica. Section E, Crystallographic communications.

Synthesis of a new dispiro pyrrolizidines from dicyclohexylidine glucose

R. Raghunathan, Sirisha Nallamala, 2013 .

Spiro[3,4‐bis(4‐chlorophenyl)‐4,5‐dihydroisoxazole‐5,3′‐flavan‐4′‐one]

M. N. Ponnuswamy, R. Raghunathan, S. Manikandan, 2003 .

3',4'-Bis(4-chlorophenyl)spiro[chroman-3,5'(4'H)-isoxazol]-4-one.

R. Raghunathan, S. Parthasarathy, A. A. Ajees, 2001, Acta crystallographica. Section C, Crystal structure communications.

Crystal structure of ethyl 2′′,3-dioxo-7′,7a’-dihydro-1′H,3H,3′H-dispiro[benzo[b]thiophene-2,6′-pyrrolo[1,2-c]thiazole-5′,3′′-indoline]-7′-carboxylate

R. Raghunathan, R. Raja, A. Subbiahpandi, 2015, Acta crystallographica. Section E, Crystallographic communications.

Crystal structure of ethyl 1′,1′′-dimethyl-2′′,3-dioxo-3H-dispiro[benzo[b]thiophene-2,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxylate

R. Raghunathan, R. Raja, A. Subbiahpandi, 2015, Acta crystallographica. Section E, Crystallographic communications.

Crystal structures of ethyl (2S*,2′R*)-1′-methyl-2′′,3-dioxo-2,3-dihydrodispiro[1-benzothiophene-2,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxylate and ethyl (2S*,2′R*)-5′′-chloro-1′-methyl-2′′,3-dioxo-2,3-dihydrodispiro[1-benzothiophene-2,3′-pyrrolidine-2′,3′′-indoline]-4′-carboxylate

R. Raghunathan, R. Raja, G. Vimala, 2014, Acta crystallographica. Section E, Structure reports online.

Expeditious synthesis of bicyclic pyrrolidine/pyrrolizidine/thiazolidine grafted macrocycles through intramolecular 1,3-dipolar cycloaddition of azomethine ylides

R. Raghunathan, R. Prasanna, S. Purushothaman, 2013 .

Ethyl 27-oxo-15-oxa-2,20-diazahexacyclo[18.6.1.01,8.02,6.09,14.021,26]heptacosa-9,11,13,21,23,25-hexaene-7-carboxylate

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2012, Acta crystallographica. Section E, Structure reports online.

4′-Methyl-14′,19′-dioxa-4′-azaspiro[acenaphthylene-1,5′-tetracyclo[18.4.0.02,6.08,13]tetracosane]-1′(24′),8′,10′,12′,20′,22′-hexaene-2,7′(1H)-dione

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2012, Acta crystallographica. Section E, Structure reports online.

4′-Methyl-1H-14′,19′-dioxa-4′-azaspiro[indole-3,5′-tetracyclo[18.4.0.02,6.08,13]tetracosane]-1′(24′),8′,10′,12′,20′,22′-hexaene-2,7′(3H)-dione

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2012, Acta crystallographica. Section E, Structure reports online.

A novel heterotricyclic assembly through intramolecular imino Diels–Alder reaction: synthesis of pyrrolo[3,4-b]quinolines

R. Raghunathan, M. Poornachandran, M. Jayagobi, 2009 .

Synthesis of Naphtho[2,1-b]pyrano Pyrrolothiazole Derivatives through 1,3-Cycloaddition Reaction

R. Raghunathan, Subban Kathiravan, 2012 .

2-Ferrocenyl-3-nitro-2H-chromene

P. R. Seshadri, R. Raghunathan, S. Paramasivam, 2013, Acta crystallographica. Section E, Structure reports online.

Methyl 2-benzyl-5-[1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]-4-nitro-3-phenylpyrrolidine-2-carboxylate

M. N. Ponnuswamy, R. Raghunathan, N. Arumugam, 2008, Acta crystallographica. Section E, Structure reports online.

Ethyl 3-[1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]-2-nitro-1-phenyl-2,3,10,10a-tetrahydro-1H,5H-pyrrolo[1,2-b]isoquinoline-10a-carboxylate

M. N. Ponnuswamy, R. Raghunathan, N. Arumugam, 2010, Acta crystallographica. Section E, Structure reports online.

Ethyl 1-(4-chlorophenyl)-3-[1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]-2-nitro-2,3,10,10a-tetrahydro-1H,5H-pyrrolo[1,2-b]isoquinoline-10a-carboxylate

M. N. Ponnuswamy, R. Raghunathan, N. Arumugam, 2008, Acta crystallographica. Section E, Structure reports online.

Regio- and stereoselective synthesis of spiro-pyrrolidine/pyrrolizidine/thiazolidine-grafted macrocycles through intramolecular 1,3-dipolar cycloaddition reaction

R. Raghunathan, S. Lavanya, R. Prasanna, 2013 .

Novel Diastereoselective Synthesis of trans-Fused Pyrrolo[3,4-b]quinolines Through Intramolecular Imino Diels–Alder Reaction

R. Raghunathan, M. Jayagobi, 2012 .

Indium trichloride catalyzed one-pot synthesis of indolo[2,1-a]pyrrolo[4',3':2,3]-7a,8,13,13b -tetrahydroquinolines through intramolecular imino Diels-alder reactions

R. Raghunathan, J. Jayashankaran, R. D. R. Manian, 2007 .

5-Benzyl-8-(E)-benzylidene-6,7,7a,10a-tetrahydro-5H-cis-cyclopenta[5,6]pyrano[3,3-c]quinolin-6-one

M. N. Ponnuswamy, R. Raghunathan, M. Nethaji, 2004 .

Rapid assembly of heterocycle grafted macrocycles via tandem one-pot double 1,3-dipolar cycloaddition reaction.

R. Raghunathan, R. Prasanna, S. Purushothaman, 2014, Organic & biomolecular chemistry.

2-(1-Hydroxy-2-oxo-1,2-dihydroacenaphthylen-1-yl)prop-2-enenitrile

P. S. Kannan, R. Raghunathan, E. Ramesh, 2007 .

Ethyl 2,2′′-dioxo-2′,3′,5′,6′,7′,7a′-hexahydroacenaphthene-1-spiro-3′-1′H-pyrrolizine-2′spiro-1′′-acenaphthene-1-carboxylate

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2005 .

Regioselective Synthesis of C 2-Symmetric Triazolophanes via Copper(I)-Catalyzed Azide-Alkyne Cycloaddition (CuAAC) Reaction

R. Raghunathan, R. Rajesh, 2012 .

3'-Nitro-4'-phenylspiro[1 H -indole-3,2'-pyrrolidin]-2-one

Devadasan Velmurugan, Mahalingam Poornachandran, Krishnan Ravikumar, 2006 .

7′-(4-Methoxyphenyl)chroman-3-spiro-6′-hexahydro-1H-pyrrolo[1,2-c]thiazole-5′-spiro-3′′-1′′H-indole-4,2′′(3′′H)-dione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2005 .

Crystal structure analysis of two Ferrocene derivatives

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2015 .

5-(Phenylsulfonyl)perhydrothiazolo[3,4-a]pyrrolo[4,5-c]pyrrole

H. Fun, R. Raghunathan, K. Chinnakali, 2006 .

Crystal Structure and Conformation of 1, 6-Dioxa[6.5]orthocyclophane-13,16-diene-15-one

M. N. Ponnuswamy, S. Aravindhan, A. A. Raj, 2006 .

Spectral Analysis of Naturally Occurring Methylxanthines (Theophylline, Theobromine and Caffeine) Binding with DNA

R. Raghunathan, H. Prakash, I. M. Johnson, 2012, PloS one.

Methyl 4-phenyl-1,2,3,3a,4,4a,5,12c-octahydronaphtho[1′,2′:3,2]furo[5,4-b]pyrrolizine-4a-carboxylate

B. Sridhar, R. Raghunathan, K. Ravikumar, 2010, Acta crystallographica. Section E, Structure reports online.

6a,14a-cis-6,6a,7,14a-Tetrahydrochromeno[4′,3′:3,4]pyrano[3,2-c]coumarin

P. G. Aravindan, D. Velmurugan, H. Fun, 2003 .

Effect of polymeric black tea polyphenols on benzo(a)pyrene [B(a)P]-induced cytochrome P4501A1 and 1A2 in mice

G. Maru, R. Raghunathan, R. Krishnan, 2005, Xenobiotica; the fate of foreign compounds in biological systems.

Crystal structure of methyl 7-phenyl-6a,7,7a,8,9,10-hexahydro-6H,11aH-thiochromeno[3,4-b]pyrrolizine-6a-carboxylate

R. Raghunathan, R. Raja, A. Subbiahpandi, 2015, Acta crystallographica. Section E, Crystallographic communications.

Methyl 4-(4-methoxyphenyl)-1,2,3,3a,4,4a,5,12c-octahydrobenzo[f]chromeno[3,4-b]pyrrolizine-4a-carboxylate

R. Raghunathan, S. Nirmala, S. Kathiravan, 2009, Acta crystallographica. Section E, Structure reports online.

2′‐Benzoyl‐1′‐(4‐chlorophenyl)‐5′,6′,7′,7a′‐tetrahydrospiro[indan‐2,3′(2′H)‐1H‐pyrrolizine]‐1,3‐dione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2005 .

(4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate

R. Raghunathan, G. Divya, S. Lakshmi, 2013, Acta crystallographica. Section E, Structure reports online.

1′-Methyl-4′-(1-naphthyl)-1′′,2′′,3′′,4′′-tetrahydroindane-2-spiro-2′-pyrrolidine-3′-spiro-2′′-naphthalene-1,3,1′′-trione

B. Sridhar, R. Raghunathan, K. Ravikumar, 2011, Acta crystallographica. Section E, Structure reports online.

Methyl 3-[(1H-benzimidazol-1-yl)methyl]-1-methyl-4-(4-methylphenyl)-2′-oxopyrrolidine-2-spiro-3′-1-benzimidazole-3-carboxylate

B. Sridhar, R. Raghunathan, K. Ravikumar, 2010, Acta crystallographica. Section E, Structure reports online.

5-Benzoyl-1-cyclohexyl-3-(m-nitrophenyl)-2-phenylpyrrolidine-spiro-4,2′-(6′-methoxy-1′-tetralone)

M. N. Ponnuswamy, H. Fun, A. A. Raj, 2002 .

Methyl 3-(4-chlorophenyl)-1-methyl-1,2,3,3a,4,11c-hexahydrobenzo[f]chromeno[4,3-b]pyrrole-3a-carboxylate

R. Raghunathan, B. Gunasekaran, S. Kathiravan, 2010, Acta crystallographica. Section E, Structure reports online.

Methyl 3-(4-bromophenyl)-1-methyl-1,2,3,3a,4,9b-hexahydrobenzo[f]chromeno[4,3-b]pyrrole-3a-carboxylate

R. Raghunathan, S. Nirmala, S. Kathiravan, 2009, Acta crystallographica. Section E, Structure reports online.

Methyl 1-methyl-3-p-tolyl-1,2,3,3a,4,11c-hexahydrobenzo[f]chromeno[4,3-b]pyrrole-3a-carboxylate

R. Raghunathan, S. Nirmala, S. Kathiravan, 2009, Acta crystallographica. Section E, Structure reports online.

Ethyl 1-(4-methoxyphenyl)-2-nitro-3-[4-oxo-3-phenyl-1-(4-methoxyphenyl)azetidin-2-yl]-2,3,10,10a-tetrahydro-1H,5H-pyrrolo[1,2-b]isoquinoline-10a-carboxylate

R. Raghunathan, N. Arumugam, S. Nirmala, 2008, Acta crystallographica. Section E, Structure reports online.

1-(4-Methoxyphenyl)-7-phenyl-3-(phenylselenylmethyl)perhydroisoxazolo[2′,3′:1,2]pyrrolo[3,4-b]azetidine-6-spiro-2′-chroman-2,4′-dione

R. Raghunathan, S. Nirmala, L. Sudha, 2008, Acta crystallographica. Section E, Structure reports online.

3-(4-Chlorophenyl)-4-(4-methoxyphenyl)-6-(phenylselenylmethyl)-2,3,3a,3b,4,5,5a,6,1′′,2′′,3′′,4′′-dodecahydroazeto[2′,3′:3,4]pyrrolo[1,2-b]isoxazole-2-spiro-2′′-naphthalene-5,1′′-dione

R. Raghunathan, S. Nirmala, L. Sudha, 2008, Acta crystallographica. Section E, Structure reports online.

(3aS,9bR)-Methyl 1-methyl-3-phenyl-1,2,3,3a,4,9b-hexahydrochromeno[4,3-b]pyrrole-3a-carboxylate

R. Raghunathan, S. Nirmala, L. Sudha, 2008, Acta crystallographica. Section E, Structure reports online.

(3aRS,9bSR)-3-(4-Chlorophenyl)-1-methyl-1,2,3,3a,4,9b-hexahydrochromeno[4,3-b]pyrrole-3a-carbonitrile

R. Raghunathan, S. Nirmala, L. Sudha, 2007, Acta crystallographica. Section E, Structure reports online.

Synthesis and antimicrobial activities of novel ferrocenyl dispiropyrrolidines and pyrrolizidines

R. Raghunathan, G. Siva, G. Suresh, 2012, Medicinal Chemistry Research.

Crystal structure of 14-methyl-11-(3-methylphenyl)-12-oxa-8,14-diazatetracyclo[8.3.3.01,10.02,7]hexadeca-2(7),3,5-triene-9,13-dione

R. Raghunathan, R. Raja, A. Subbiahpandi, 2015, Acta crystallographica. Section E, Crystallographic communications.

6a-Nitro-6-(2,2,7,7-tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4′,5′-d]pyran-5-yl)-6a,6b,7,8,9,11a-hexahydro-6H-spiro[chromeno[3,4-a]pyrrolizine-11,11′-indeno[1,2-b]quinoxaline]

P. R. Seshadri, R. Raghunathan, J. Naga Siva Rao, 2013, Acta crystallographica. Section E, Structure reports online.

Allyl 2-(2,2-dimethyl-3a,6a-dihydrofuro[3,2-d][1,3]dioxol-5-yl)-4-oxo-4H-chromene-3-carboxylate

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2013, Acta crystallographica. Section E, Structure reports online.

Methyl 9-(4-methoxyphenyl)-19-methyl-3,12-diazapentacyclo[10.7.0.02,10.03,8.013,18]nonadeca-1(19),13(18),14,16-tetraene-10-carboxylate

B. Sridhar, R. Raghunathan, S. Kathiravan, 2013, Acta crystallographica. Section E, Structure reports online.

4-Ferrocenyl-1-methyl-3-benzoylspiro[pyrrolidine-2,11′-indeno[1,2-b]quinoxaline]

D. Velmurugan, R. Raghunathan, B. Vijayakumar, 2012, Acta crystallographica. Section E, Structure reports online.

3′-Ferrocenylcarbonyl-1′-methyl-4′-phenylspiro[indeno[2,3-b]quinoxaline-11,2′-pyrrolidine]

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2012, Acta crystallographica. Section E, Structure reports online.

3-(Ferrocen-1-ylcarbonyl)-1-methyl-4-(4-methylphenyl)spiro[pyrrolidine-2,11′-indeno[1,2-b]quinoxaline]

R. Raghunathan, T. Srinivasan, D. Gavaskar, 2012, Acta crystallographica. Section E, Structure reports online.

1-(2-Hydroxyethyl)-1′-methyl-4′-(naphthalen-1-yl)-1′′,2′′,3′′,4′′-tetrahydrodispiro[indoline-3,2′-pyrrolidine-3′,2′′-naphthalene]-2,1′′-dione

B. Sridhar, R. Raghunathan, S. Selvanayagam, 2012, Acta crystallographica. Section E, Structure reports online.

Ethyl (1R,1′S,2′S,7a’R)-2-oxo-1′-[(3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4′,5′-d]pyran-5-yl]-1′,2′,5′,6′,7′,7a’-hexahydro-2H-spiro[acenaphthylene-1,3′-pyrrolizine]-2′-carboxylate

R. Raghunathan, K. Sethusankar, R. Prasanna, 2012, Acta crystallographica. Section E, Structure reports online.

1′′-Benzyl-1′-methyl-4′-(naphthalen-1-yl)naphthalene-2-spiro-3′-pyrrolidine-2′-spiro-3′′-indoline-1,2′′-dione

B. Sridhar, R. Raghunathan, S. Selvanayagam, 2011, Acta crystallographica. Section E, Structure reports online.

1′,1′′-Dimethyl-4′-(naphthalen-1-yl)-1,2,3,4-tetrahydronaphthalene-2-spiro-3′-pyrrolidine-2′-spiro-3′′-indoline-1,2′′-dione

R. Raghunathan, K. Ravikumar, S. Selvanayagam, 2011, Acta crystallographica. Section E, Structure reports online.

4,9-Dioxa-1,3(1,2)-dibenzena-2(4,5)-1,3-oxazolidinacyclononaphane

P. R. Seshadri, R. Raghunathan, S. Purushothaman, 2011, Acta Crystallographica Section E.

3′-(4-Chlorobenzoyl)-1′-methyl-4′-[5-(2-thienyl)-2-thienyl]spiro[acenaphthylene-1,2′-pyrrolidin]-2(1H)-one

R. Raghunathan, D. Gavaskar, A. Subbiahpandi, 2011, Acta crystallographica. Section E, Structure reports online.

1′-Methyl-3′-(4-methylbenzoyl)-4′-[5-(2-thienyl)-2-thienyl]spiro[acenaphthylene-1,2′-pyrrolidin]-2(1H)-one

R. Raghunathan, D. Gavaskar, A. Subbiahpandi, 2011, Acta crystallographica. Section E, Structure reports online.

Methyl 3-(4-methoxyphenyl)-1-methyl-1,2,3,3a,4,11b-hexahydrobenzo[f]chromeno[4,3-b]pyrrole-3a-carboxylate

S. Thenmozhi, A. SubbiahPandi, R. Raghunathan, 2010, Acta crystallographica. Section E, Structure reports online.

1-Benzyl-6,8-dimethyl-4-phenyl-2-tosyl-1,2,3,3a,4,6,7,8,9,9b-decahydropyrrolo[3,4-c]pyrano[6,5-d]pyrimidine-7,9-dione

H. Fun, R. Raghunathan, D. Sudha, 2009, Acta Crystallographica Section E.

Methyl 9-(4-bromophenyl)-8a,9,9a,10,11,12,13,14a-octahydro-8H-benzo[f]chromeno[3,4-b]indolizine-8a-carboxylate

R. Raghunathan, G. Chakkaravarthi, B. Gunasekaran, 2009, Acta Crystallographica Section E.

1-Ethyl-2-tosyl-4,4,6-trimethyl-2,3,3a,4-tetrahydro-1H-pyrrolo[3,4-c]pyrano[6,5-b]quinoline-11(6H)-one monohydrate

H. Fun, R. Raghunathan, D. Sudha, 2009, Acta Crystallographica Section E.

Methyl 5-phenyl-1,2,3,4,4a,5,5a,13c-octahydro-6H-benzo[f]chromeno[3,4-b]indolizine-5a-carboxylate

R. Raghunathan, S. Nirmala, S. Kathiravan, 2009, Acta Crystallographica Section E.

24,4,8-Trioxa-21-aza-1,3,6(1,2)-tribenzena-2(2,3)-bicyclo[3.3.0]octanacyclooctaphane

P. R. Seshadri, R. Raghunathan, K. Ilangovan, 2009, Acta Crystallographica Section E.

3-Ethyl-9-phenyl-2-tosyl-2,3,3a,4,9,9a-hexahydro-1H-pyrrolo[3,4-b]quinoline

H. Fun, R. Raghunathan, D. Sudha, 2008, Acta crystallographica. Section E, Structure reports online.

7-Bromo-3-ethyl-9-phenyl-2-tosylpyrrolo[3,4-b]quinoline

H. Fun, R. Raghunathan, D. Sudha, 2007, Acta crystallographica. Section E, Structure reports online.

7‐Chloro‐3‐ethyl‐9,9‐dimethyl‐2‐tosyl‐2,3,3a,4,9,9a‐hexahydro‐1H‐pyrrolo[3,4‐b]quinoline

H. Fun, R. Raghunathan, D. Sudha, 2007 .

7-Chloro-3-ethyl-10-phenyl-2-tosylpyrrolo[3,4- b ]quinoline

H. Fun, R. Raghunathan, D. Sudha, 2007 .

trans‐1‐Ethyl‐4,4,10‐trimethyl‐2‐tosyl‐1,2,3,3a,4,11b‐hexahydro‐11H‐pyrrolo[3,4‐c]pyrano[5,6‐c]quinolin‐11‐one

H. Fun, R. Raghunathan, D. Sudha, 2007 .

6,8‐Dimethyl‐4‐phenyl‐2‐tosylpyrrolo[3,4‐c]pyrano[6,5‐b]pyrimidine‐7,9‐dione

H. Fun, R. Raghunathan, D. Sudha, 2007 .

4,4,7,7‐Tetramethyl‐2‐tosyl‐2,3,3a,4,6,7,8,9‐octahydro‐1H‐pyrrolo[3,4‐c]pyrano[6,5‐b]cyclohexan‐9‐one

H. Fun, R. Raghunathan, D. Sudha, 2007 .

cis-4,4,10-Trimethyl-2-tosyl-1,2,3,3a,4,11b-hexahydro-11H-pyrrolo[3,4-c]pyrano[5,6-c]quinolin-11-one hemihydrate

H. Fun, R. Raghunathan, D. Sudha, 2007 .

4,4‐Dimethyl‐2‐tosyl‐2,3,3a,4‐tetrahydro‐1H,10H‐pyrrolo[3,4‐c]pyrano[6,5‐b]indan‐10‐one

H. Fun, R. Raghunathan, D. Sudha, 2007 .

4,4,6,8‐Tetramethyl‐2‐tosylpyrrolo[3,4‐c]pyrano[6,5‐b]pyrimidine‐7,9‐dione

H. Fun, R. Raghunathan, D. Sudha, 2007 .

Methyl 2-(2-hydroxy-1,3-dioxoinden-2-yl)acrylate

R. Raghunathan, M. Nizammohideen, A. Subbiahpandi, 2007 .

3-Ethyl-2-phenylsulfonyl-1,2,3,3a,10,10a,11,11a-octahydro-5H-pyrrolo[3,4:2′,3′]pyrrolo[1,5-b]isoquinolin-5-one

H. Fun, R. Raghunathan, K. Chinnakali, 2007 .

1′-Methyl-5-diphenyl-4′- p -tolyl-5,6,7,8,9,10-hexahydro-1,3-cycloheptapyrimidino[2,3- b ]thiazole-2-spiro-3′-pyrrolidine-2′-spiro-3′′-1 H -indole-2′′,3(2 H ,3′′ H )-dione

D. Gayathri, Devadasan Velmurugan, Mahalingam Poornachandran, 2006 .

2-(4-Chlorophenyl)-5-(phenylsulfonyl)perhydro-1,3-thiazolo[3,4-a]pyrrolo[4,5-c]pyrrole

G. S. Kumar, R. Raghunathan, K. Chinnakali, 2006 .

3‐Benzylidene‐3′,7′‐diphenylcyclohexanespiro‐6′‐(perhydro‐2‐thiapyrrolizidine)‐5′‐spiro‐3′′‐1H‐indole‐2,2′′‐dione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2006 .

3‐Acetyl‐4‐furyl‐1‐methylspiro[pyrrolidine‐2,2′‐indol]‐2′(3′H)‐one

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2006 .

4'-(4-Chlorobenzoyl)-1'-methyldispiro-[indole-3(2H),2'-pyrrolidine-3',3''(2''H)-indole]-2,2''-dione

M. N. Ponnuswamy, R. Raghunathan, M. Nethaji, 2005 .

4′-(4-Methoxyphenyl)-1′-methyl-9H-fluorene-9-spiro-3′-pyrrolidine-2′-spiro-2′′-indan-1′′,3′′-dione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2005 .

1‐(p‐Bromophenyl)‐5‐p‐tosylperhydropyrrolo[3,4‐b]pyrrole

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2005 .

Methyl 2‐(1H‐indol‐3‐ylmethyl)‐1,2,3,3a,4,11c‐hexahydronaphtho[2′,1′:2,3]pyrano[4,5‐b]pyrrole‐2‐carboxylate

D. Velmurugan, R. Raghunathan, N. Arumugam, 2005 .

4′‐(4‐Methoxyphenyl)‐1‐methylchroman‐3‐spiro‐3′‐pyrrolidine‐2′‐spiro‐2′′‐indan‐4,1′′,3′′‐trione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2005 .

1′-Methyl-2′′-phenylcyclohexane-1-spiro-4′-[acenaphthene-1-spiro-2′-pyrrolidine-3′-spiro-4′′(5′′H)-[1,3]oxazole]-2,5′′-dione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2004 .

1′‐Methyl‐4′‐phenyl‐H‐fluorene‐9‐spiro‐3′‐pyrrolidine‐2′‐spiro‐3′′‐1H‐indol‐2′'(3′′H)‐one

P. G. Aravindan, D. Velmurugan, R. Raghunathan, 2004 .

5′′-Benzylidene-1′,1′′-dimethyl-4′-phenylacenapthene-2-spiro-2′-pyrrolidine-3′-spiro-3′′-piperidine-1,4′′-dione

P. G. Aravindan, D. Velmurugan, R. Raghunathan, 2004 .

4′-(4-Methoxybenzoyl)-1′-methyl acenaphthene-1-spiro-2′-pyrrolidine-3′-spiro-3′′-1H-indole-2,2′′(1H,3′′H)-dione hemihydrate

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2004 .

5,7‐Dibromo‐4′‐(4‐bromobenzoyl)‐1′‐methyl‐1H‐indole‐3‐spiro‐2′‐pyrrolidine‐3′‐spiro‐3′′‐1H‐indole‐2,2′′(3H,3′′H)‐dione methanol solvate

P. R. Seshadri, D. Velmurugan, R. Raghunathan, 2004 .

1′‐Methyl‐4′‐phenylacenaphthene‐1‐spiro‐2′‐pyrrolidine‐3′‐spiro‐2′'‐indan‐2,1′′,3′′‐trione

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2004 .

5,7-Dibromo-1′-methyl-2′-(4-methoxybenzoyl)-1H-indole-3-spiro-2′-pyrrolidine-3′-spiro-3′′-1H-indole-2,2′′(3H,3′′H)-dione methanol solvate

P. R. Seshadri, D. Velmurugan, R. Raghunathan, 2004 .

1′‐Methyl‐4′‐(3,4,5‐trimethoxyphenyl)dispiro[indene‐2,3′‐pyrrolidine‐2′,3′′‐indole]‐1,2′',3(1′′H)‐trione

P. R. Seshadri, D. Velmurugan, R. Raghunathan, 2004 .

2′‐(4‐Bromobenzoyl)acenaphthene‐1‐spiro‐3′‐pyrrolizidine‐1′‐spiro‐3′′‐indole‐2,2′′(1H,3′′H)‐dione monohydrate

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2004 .

1-Methyl-4′-(3-nitrophenyl)-1H-indole-3-spiro-2′-pyrrolidine-3′-spiro-2′′-indan-2,1′′,3′′-trione

P. R. Seshadri, D. Velmurugan, R. Raghunathan, 2003 .

2′‐(p‐Methoxybenzoyl)‐1′,2,2′,3,5′,6′,7′,7a′‐octahydro‐1H‐indan‐2‐spiro‐3′‐(3′H‐pyrrolizine)‐1′‐spiro‐3′′‐1H‐indoline‐1,2′′,3‐trione

P. R. Seshadri, D. Velmurugan, R. Raghunathan, 2003 .

2′‐Benzoyl‐1′,2,2′,3,4′,5′,6′,6a′‐octahydro‐1H‐indan‐2‐spiro‐3′‐(3′H‐pyrrolizine)‐1′‐spiro‐3′′‐1H‐indoline‐1,2′′,3‐trione

P. R. Seshadri, D. Velmurugan, R. Raghunathan, 2003 .

Spiro-[2-3′]oxindole-spiro-[3-3′′]oxindole-4[p-methylbenzyl]pyrrolidizine

P. R. Seshadri, D. Velmurugan, R. Raghunathan, 2003 .

Indole‐3‐spiro‐N‐methyl‐2′‐pyrrolidine‐3′‐spiro‐9′′‐anthracene‐2,10′′‐dione

R. Raghunathan, A. A. Ajees, S. Manikandan, 2002 .

Spiro[5‐carbomethoxy‐2‐(4‐methoxyphenyl)‐4‐(4‐methylphenyl)pyrrolidine‐3,3′‐chroman‐4′‐one]

D. Velmurugan, R. Raghunathan, M. Kim, 2002 .

3-Benzylidene-1′-methyl-4′-phenylcyclohexanespiro-3′-pyrrolidine-2′-spiro-3′′-indoline-2,2′′-dione

M. N. Ponnuswamy, H. Fun, A. A. Raj, 2001 .

Crystal Structure of Methyl 3-(4-chlorophenyl)-1,2,3,3a,4,9b-hexahydro-1-chromeno[4,3-b]pyrrole-3a-carboxylate

R. Raghunathan, S. Nirmala, L. Sudha, 2008 .

Crystal Structure of 1,4-Dimethyl 2.5[2′-dispiroindane-1,3-dione]piperazine

R. Raghunathan, S. Nirmala, L. Sudha, 2008 .

Crystal Structure of 1-N-Methyl-spiro-[2-3′]oxindole-spiro[3-2″]-indane-1″,3″-dione-4-(p-methyl phenyl)pyrrolidine

P. G. Aravindan, D. Velmurugan, R. Raghunathan, 2006 .

Crystal Structure of 1-N-Methyl-2[1′-N-(p-methoxyphenyl)-3′-phenylazetidine-2′-one]-3-(p-methoxybenzoyl)spiro[4.4″]-oxindole-pyrrolidine

D. Velmurugan, R. Raghunathan, N. Arumugam, 2006 .

Crystal Structure of Acenaphthene-1′-one-spiro[2′.3]-[4-ethoxycarbonyl]-1N-methyl-pyrrolidine-spiro[2.2″]oxindole

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2006 .

2′-(p-Chlorobenzoyl)-2,2′,3,3′,4′,5′,6′,6a′-octahydro-1H-indan-2-spiro-3′-(1H-pyrrolizine)-1′-spiro-3′′-indoline-1,2′′,3-trione

P. R. Seshadri, D. Velmurugan, R. Raghunathan, 2004 .

4′-(3-Chlorophenyl)-1-methyl-1H-indole-3-spiro-2′-pyrrolidine-3′-spiro-2′′-indan-2,1′′,3′′-trione

P. R. Seshadri, D. Velmurugan, R. Raghunathan, 2004 .

Crystal structure of 15-(naphthalen-1-yl)-7,7a,8,9,10,11-hexahydro-6a,12a-(methanoepoxymethano)indolizino[2,3-c]quinoline-6,13(5H)-dione

R. Raghunathan, R. Raja, A. Subbiahpandi, 2015, Acta crystallographica. Section E, Crystallographic communications.

Facile One-Pot Synthesis of Ferrocene-Based Spiropyrrolidines and Pyrrolizidines Through 1,3-Dipolar Cycloaddition Reaction

R. Raghunathan, A. R. Babu, 2010 .

Crystal structures of two substituted thiazolidine derivatives

D. Velmurugan, V. Viswanathan, R. Raghunathan, 2016, Acta crystallographica. Section E, Crystallographic communications.

Crystal structures of two triazola-dioxola-benzenacyclononaphanes

D. Velmurugan, V. Viswanathan, R. Raghunathan, 2015, Acta crystallographica. Section E, Crystallographic communications.

Crystal structure of 6-(4-chlorophenyl)-6a-nitro-6,6a,6b,7,9,11a-hexahydrospiro[chromeno[3′,4′:3,4]pyrrolo[1,2-c]thiazole-11,11′-indeno[1,2-b]quinoxaline] chloroform monosolvate

D. Velmurugan, V. Viswanathan, R. Raghunathan, 2014, Acta crystallographica. Section E, Structure reports online.

Crystal structure of 11-(2,3-dimethoxyphenyl)-14-methyl-12-oxa-8,14-diazatetracyclo[8.3.3.01,10.02,7]hexadeca-2(7),3,5-triene-9,13-dione

R. Raghunathan, R. Raja, A. Subbiahpandi, 2015, Acta crystallographica. Section E, Crystallographic communications.

19-Ferrocenyl-18-oxa-8,16-diazapentacyclo[8.6.3.01,10.02,7.012,16]nonadeca-2(7),3,5-triene-9,17-dione

R. Raghunathan, B. Gunasekaran, V. Manivannan, 2010, Acta crystallographica. Section E, Structure reports online.

2,15-Dioxa-7,18,19,20,23-pentaazaheptacyclo[21.6.1.117,20.01,8.03,7.09,14.024,29]hentriaconta-9,11,13,17(31),18,24,26,28-octaen-30-one

D. Velmurugan, G. Subhashree, D. Gayathri, 2013, Acta crystallographica. Section E, Structure reports online.

Efficient synthesis and biological evaluation of bis dispiro imidazolidines through 1,3-dipolar cycloaddition reaction

R. Raghunathan, N. Sirisha, M. Srikumar, 2017 .

Synthesis and Biological Activity Study of Some New Substituted Dispiropyrrolidines

R. Raghunathan, R. Jegadeesh, N. Sirisha, 2013 .

Crystal structure of methyl 3-(3-fluorophenyl)-1-methyl-1,3a,4,9b-tetrahydro-3H-thiochromeno[4,3-c]isoxazole-3a-carboxylate

R. Raghunathan, G. Vimala, A. Subbiahpandi, 2015, Acta crystallographica. Section E, Crystallographic communications.

Crystal structure of methyl (2Z)-3-(4-chlorophenyl)-2-[(3-methyl-1H-indol-1-yl)methyl]prop-2-enoate

B. Sridhar, R. Raghunathan, S. Kathiravan, 2015, Acta crystallographica. Section E, Crystallographic communications.

Crystal structure of ethyl 5′′-fluoro-2′′,3-dioxo-6′,7′,8′,8a’-tetrahydro-2′H,3H,5′H-dispiro[benzo[b]thiophene-2,1′-indolizine-3′,3′′-indoline]-2′-carboxylate

R. Raghunathan, R. Raja, J. Govindaraj, 2015, Acta crystallographica. Section E, Crystallographic communications.

Crystal structures of methyl 3-phenyl-4,5-dihydro-1H,3H-benzo[4,5]imidazo[2,1-c][1,4]oxazepine-4-carboxylate and methyl 1-methyl-3-phenyl-4,5-dihydro-1H,3H-benzo[4,5]imidazo[2,1-c][1,4]oxazepine-4-carboxylate

R. Raghunathan, R. Raja, J. Govindaraj, 2014, Acta crystallographica. Section E, Structure reports online.

Methyl (2Z)-2-[(2-formyl-3-methyl-1H-indol-1-yl)methyl]-3-(4-methoxyphenyl)prop-2-enoate

B. Sridhar, R. Raghunathan, S. Kathiravan, 2014, Acta crystallographica. Section E, Structure reports online.

2-(4-Bromobenzoyl)-1-ferrocenylspiro[11H-pyrrolidizine-3,11′-indeno[1,2-b]quinoxaline]

D. Velmurugan, R. Raghunathan, S. Suhitha, 2013, Acta crystallographica. Section E, Structure reports online.

6-Ferrocenoyl-7-phenylspiro[hexahydropyrrolo[1,2-c][1,3]thiazole-5,11′-indeno[1,2-b]quinoxaline]

D. Velmurugan, R. Raghunathan, S. Suhitha, 2013, Acta crystallographica. Section E, Structure reports online.

2-Methyl-4-(naphthalen-2-yl)-3a-nitro-3,3a,4,9b-tetrahydro-2H-spiro[chromeno[3,4-c]pyrrole-1,3′-indolin]-2′-one

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2013, Acta crystallographica. Section E, Structure reports online.

6-(4-Methoxyphenyl)-6a-nitro-6,6a,6b,7,8,9,10,12a-octahydrospiro[chromeno[3,4-a]indolizine-12,3′-indolin]-2′-one

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2013, Acta crystallographica. Section E, Structure reports online.

6a-Nitro-6-phenyl-6,6a,6b,7,8,9,10,12a-octahydrospiro[chromeno[3,4-a]indolizine-12,3′-indolin]-2′-one

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2013, Acta crystallographica. Section E, Structure reports online.

8,13,26-Trioxa-23-thia-21-azapentacyclo[18.6.0.02,7.014,19.021,25]hexacosa-2(7),3,5,14,16,18-hexaene

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2013, Acta crystallographica. Section E, Structure reports online.

(1S,3′S,3a′R,6′S)-6′-(2-Chlorophenyl)-3′-[(2R,3S)-1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]-2-oxo-3′,3′a,4′,6′-tetrahydro-2H,2′H-spiro[acenaphthylene-1,1′-pyrrolo[1,2-c][1,3]thiazole]-2′,2′-dicarbonitrile

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2013, Acta crystallographica. Section E, Structure reports online.

(1′S,12′R,13′S,17′S)-15′,15′-Dimethyl-1,2-dihydro-11′,14′,16′,18′-tetraoxa-7′-azaspiro[indole-3,8′-pentacyclo[10.6.0.02,9.03,7.013,17]octadecane]-2,10′-dione

S. Aravindhan, R. Raghunathan, V. Sabari, 2013, Acta crystallographica. Section E, Structure reports online.

Ethyl 8,13-dioxa-21-azapentacyclo[18.5.1.02,7.014,19.021,25]hexacosa-2(7),3,5,14,16,18-hexaene-26-carboxylate

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2012, Acta crystallographica. Section E, Structure reports online.

Methyl 12-hydroxy-10-[1-(4-methoxyphenyl)-2-oxo-3-phenoxyazetidin-4-yl]-11-oxa-3-azahexacyclo[11.7.1.02,9.02,12.03,7.017,21]henicosa-1(20),13,15,17(21),18-pentaene-9-carboxylate

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2012, Acta crystallographica. Section E, Structure reports online.

11-Hydroxy-9-[1-(4-methylphenyl)-4-oxo-3-phenylazetidin-2-yl]-18-oxo-10-oxa-2-azapentacyclo[9.7.0.01,8.02,6.012,17]octadeca-12,14,16-triene-8-carbonitrile

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2012, Acta crystallographica. Section E, Structure reports online.

4-[4-(4-Chlorobenzoyl)-2,3-diphenylisoxazolidin-5-yl]-1-(4-methoxyphenyl)-3-phenylazetidin-2-one

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2012, Acta crystallographica. Section E, Structure reports online.

Ethyl 7′-(6-benzyloxy-2,2-dimethyltetrahydrofuro[3,2-d][1,3]dioxol-5-yl)-2-oxo-5′,6′,7′,7a’-tetrahydro-1′H,2H-spiro[acenaphthylene-1,5′-pyrrolo[1,2-c][1,3]thiazole]-6′-carboxylate

R. Raghunathan, K. Sethusankar, R. Prasanna, 2012, Acta crystallographica. Section E, Structure reports online.

{1′-Phenyl-1′,2′,5′,6′,7′,7a’-hexahydrospiro[indeno[1,2-b]quinoxaline-11,3′-pyrrolizin]-2′-yl}(p-tolyl)methanone

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2012, Acta crystallographica. Section E, Structure reports online.

3′-(4-Chlorobenzoyl)-4′-(4-chlorophenyl)-1′-methylspiro[indoline-3,2′-pyrrolidin]-2-one

D. Velmurugan, R. Raghunathan, T. Srinivasan, 2011, Acta crystallographica. Section E, Structure reports online.

2-{Hydroxy[1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]methyl}acrylonitrile

R. Raghunathan, K. Sethusankar, R. Rajesh, 2011, Acta crystallographica. Section E, Structure reports online.

2-[(4-Formylphenyl)(hydroxy)methyl]acrylonitrile

R. Raghunathan, K. Sethusankar, R. Rajesh, 2011, Acta crystallographica. Section E, Structure reports online.

1′-Methyl-4′-(1-naphthyl)-1′′,2′′,3′′,4′′-tetrahydroindane-2-spiro-2′-pyrrolidine-3′-spiro-2′′-naphthalene-1,3,1′′-trione

B. Sridhar, R. Raghunathan, K. Ravikumar, 2011, Acta crystallographica. Section E, Structure reports online.

8,12‐Dioxa‐1,7,10(1,2)‐tribenzenacyclododecaphane‐2,5‐dien‐4‐one

D. Velmurugan, R. Raghunathan, K. Ravikumar, 2005 .

1,2,3,4,4a,12a‐Hexahydro‐2,5,5‐trimethyl‐1H‐[2]benzopyrano[3,2‐c]coumarin

D. Velmurugan, M. Yogavel, R. Raghunathan, 2003 .

T. Hökelek, R. Raghunathan, H. Stoeckli-Evans, 2015, Acta crystallographica. Section E, Crystallographic communications.

An efficient synthesis of highly functionalized novel chromeno[4,3-b]pyrroles and indolizino[6,7-b]indoles as potent antimicrobial and antioxidant agents.

A. Almansour, R. Raghunathan, N. Arumugam, 2012, Bioorganic & medicinal chemistry letters.

(3aRS,9bSR)-3-(4-Chlorophenyl)-1-methyl-1,2,3,3a,4,9b-hexahydrochromeno[4,3-b]pyrrole-3a-carbonitrile

R. Raghunathan, S. Nirmala, L. Sudha, 2007, Acta crystallographica. Section E, Structure reports online.