R. Boruah

发表

A NOVEL SYNTHESIS OF STEROIDAL HALOMETHYLENES AND THEIR RING OPENING REACTION TO ALKYNES

Shahadat Ahmed, R. Boruah, 1997 .

Phosphine-free Suzuki cross-coupling reaction: a mild and selective method for the carbon–carbon bond formation in aqueous tea extract

P. Gogoi, M. Das, R. Boruah, 2014 .

Stereoselective intramolecular hetero Diels-Alder reactions of 1-oxa-1,3-butadienes: synthesis of novel annelated pyrrolo(1,2-a)indoles

Mohit L. Deb, P. Bhuyan, R. Boruah, 2005 .

ipso‐Hydroxylation of Arylboronic Acids and Boronate Esters by Using Sodium Chlorite as an Oxidant in Water

P. Gogoi, R. Boruah, J. Gogoi, 2013 .

A facile synthesis of benzo[b][1,4]thiazepine derivatives by palladium acetate catalyzed reaction

S. Gogoi, R. Boruah, P. P. Kaishap, 2014 .

Synthesis of dihydro- and tetrahydroisoxazolo[3′,4′:3,4]pyrrolo[1,2-a]indoles via intramolecular cycloadditions. A novel class of mitomycin analogues

J. S. Sandhu, P. Bhuyan, R. Boruah, 1989 .

Synthesis of D-Ring Annulated Pyridosteroids from β-Formyl Enamides and Their Biological Evaluations.

H. P. Deka Boruah, Y. Silla, Kasmika Borah, 2019, ACS combinatorial science.

A facile synthesis of annelated pyridines from β-formyl enamides under microwave irradiation

U. Sharma, Shahadat Ahmed, R. Boruah, 2000 .

A Convenient Preparation of N-Acyl-1-aza-1,3-diene from β-Formylenamide and Its Utility in Inverse Electron Demand Diels−Alder Reactions

J. S. Sandhu, U. Sharma, Shahadat Ahmed, 2000 .

An efficient conversion of conjugated oximes into substituted pyridines under Vilsmeier conditions

Shahadat Ahmed, R. Boruah, 1996 .

An Efficient General Method for the Deoxygenation of N-Arylnitrones, Azoxybenzenes, and N-Heteroarene N-Oxides

J. S. Sandhu, D. Konwar, R. Boruah, 1990 .

Efficient synthesis of isoquinolines and pyridines via copper(I)-catalyzed multi-component reaction

S. Gogoi, R. Boruah, P. P. Kaishap, 2014 .

A facile synthesis of steroidal and nonsteroidal pyrimidines under microwave irradiation

S. Gogoi, R. Boruah, Pallabi Saikia, 2015 .

A facile synthesis of steroidal D-ring fused pyrazolo[1,5-a]pyrimidines

S. Gogoi, S. Gogoi, R. Boruah, 2014 .

Synthesis of steroidal and nonsteroidal vicinal heterocyclic alcohols, N-(1-cycloalkenyl)heterocycles and their antibacterial studies

Anil Kumar Singh, S. Gogoi, H. Boruah, 2014, Steroids.

Microwave-assisted Pd-catalyzed synthesis of fused steroidal and non-steroidal pyrimidines from β-halo-α,β-unsaturated aldehydes

P. Gogoi, R. Boruah, J. Gogoi, 2013 .

Palladium-catalyzed multi-component synthesis of steroidal A- and D-ring fused 5,6-disubstituted pyridines under microwave irradiation

S. Gogoi, Dipanka Nath, R. Boruah, 2013, Steroids.

Microwave-promoted and Lewis acid catalysed synthesis of steroidal A- and D-ring fused 4,6-diarylpyridines

S. Gogoi, R. Boruah, Pallabi Saikia, 2013, Steroids.

A microwave promoted solvent-free approach to steroidal quinolines and their in vitro evaluation for antimicrobial activities

S. Gogoi, S. Gogoi, R. Boruah, 2012, Steroids.

A convenient strategy for the annulation of aryl scaffold to A/B-ring steroids under microwave irradiation

A. Hasib, R. Boruah, J. Gogoi, 2010, Steroids.

A facile three-component solid phase synthesis of steroidal A-ring fused pyrimidines under microwave irradiation

S. Gogoi, R. Boruah, M. Dutta, 2009, Steroids.

A microwave promoted and Lewis acid catalysed solventless approach to 4-azasteroids

R. Boruah, Moyurima Borthakur, 2008, Steroids.

A Facile dehydration and beckmann rearrangement of oximes with aluminium iodide

J. S. Sandhu, D. Konwar, R. Boruah, 1990 .

Lewis acid catalyzed rapid synthesis of 5-hydroxy-benzo[g]indole scaffolds by a modified Nenitzescu reaction

S. Gogoi, R. Boruah, J. Gogoi, 2010 .

A novel microwave-mediated one-pot synthesis of indolizines via a three-component reaction.

U. Bora, A. Saikia, R. Boruah, 2003, Organic letters.

A Novel and Efficient Lewis Acid Catalysed Preparation of Pyrimidines: Microwave-Promoted Reaction of Urea and β-Formyl Enamides

U. Bora, A. Saikia, C. Saikia, 2007 .

Microwave-Assisted Palladium Mediated Efficient Synthesis of Pyrazolo[3,4-b]pyridines, Pyrazolo[3,4-b]quinolines, Pyrazolo[1,5-a]pyrimidines and Pyrazolo[1,5-a]quinazolines.

S. Gogoi, A. Addlagatta, V. Saddanapu, 2015 .

Microwave-assisted palladium mediated efficient synthesis of pyrazolo[3,4-b]pyridines, pyrazolo[3,4-b]quinolines, pyrazolo[1,5-a]pyrimidines and pyrazolo[1,5-a]quinazolines

S. Gogoi, A. Addlagatta, V. Saddanapu, 2014 .

A facile synthesis of 1,7-dicarbonyl compounds via three-component Michael addition reactions

C. Saikia, R. Boruah, A. Chetia, 2004 .

Microwave-assisted novel and efficient one-pot synthesis of fused steroidal and non-steroidal isothiazoles

P. Gogoi, R. Boruah, J. Gogoi, 2012 .

Microwave promoted synthesis of cycl[3.2.2]azines in water via a new three-component reaction

S. Gogoi, R. Boruah, J. Gogoi, 2011 .

Lewis Acid Catalyzed Rapid Synthesis of 5‐Hydroxy‐benzo[g]indole Scaffolds by a Modified Nenitzescu Reaction.

S. Gogoi, R. Boruah, J. Gogoi, 2011 .

Microwave-promoted one-pot synthesis of 4H-thiopyrans from α,β-unsaturated ketones via a three-component reaction

R. Boruah, Madan G. Barthakur, A. Chetia, 2006 .

microwave promoted and Lewis acid catalysed solventless pproach to 4-azasteroids oyurima Borthakur

R. Boruah, 2008 .

Alumina-promoted fast solid-phase Michael addition of enamines with conjugated enones under microwave irradiation

U. Bora, J. S. Sandhu, U. Sharma, 2002 .

Studies on uracils. 10. A facile one-pot synthesis of pyrido[2,3-d]- and pyrazolo[3,4-d]pyrimidines

J. S. Sandhu, P. Bhuyan, R. Boruah, 1990 .

Palladium mediated regioselective intramolecular Heck reaction: synthesis of 1,3,4-trisubstituted pyrazolo[3,4-b]pyridines, 3H-pyrazolo[3,4-c]isoquinolines and 3H-pyrazolo[4,3-f][1,7]naphthyridines

S. Gogoi, R. Prakash, R. Boruah, 2015 .

Carbon-Carbon Bond Cleavage Reaction: Synthesis of Multisubstituted Pyrazolo[1,5-a]pyrimidines.

S. Gogoi, R. Boruah, Pallabi Saikia, 2015, The Journal of organic chemistry.

Bakers' Yeast–Catalyzed Ring Opening of Benzofuroxans: An Efficient Green Synthesis of Aryl-1,2-diamines

D. Prajapati, R. Boruah, H. N. Borah, 2008 .

Ruthenium-catalyzed decarbonylative addition reaction of anhydrides with alkynes: a facile synthesis of isocoumarins and α-pyrones.

S. Gogoi, R. Prakash, R. Boruah, 2015, Chemical communications.

Ru(II)-Catalyzed C-H Activation and Annulation Reaction via Carbon-Carbon Triple Bond Cleavage.

S. Gogoi, R. Prakash, R. Boruah, 2018, Organic letters.

Facile Diversity-Oriented Synthesis of Polycyclic Pyridines and Their Cytotoxicity Effects in Human Cancer Cell Lines.

R. K. Boruah, P. Gogoi, S. Gogoi, 2016, ACS combinatorial science.

A CONVENIENT SYNTHESIS OF OXETENE VIA [2+2]CYCLOADDITION REACTION UNDER MICROWAVE IRRADIATION

J. S. Sandhu, M. Longchar, R. Boruah, 2002 .

Microwave-induced One-pot Synthesis of N-carboxyalkyl Maleimides and Phthalimides†

J. S. Sandhu, R. Boruah, H. N. Borah, 1998 .

Cascade imination, Buchwald–Hartwig cross coupling and cycloaddition reaction: synthesis of pyrido[2,3-d]pyrimidines

S. Gogoi, R. Boruah, Pallabi Saikia, 2015 .

Zinc triflate: a highly efficient reusable catalyst in the synthesis of functionalized quinolines via Friedlander annulation

D. Prajapati, R. Boruah, D. Bhuyan, 2010, Molecular Diversity.

An efficient route for annulation of pyrimidines to steroids and non-steroids via a base catalyzed one-pot three component reaction

S. Gogoi, S. Gogoi, R. Boruah, 2014, Steroids.

Microwave promoted one-pot synthesis of novel A-ring fused steroidal dehydropiperazines

R. Boruah, Madan G. Barthakur, Moyurima Borthakur, 2008, Steroids.

Palladium-Catalyzed One-Pot Sonogashira Coupling, exo-dig Cyclization and Hydride Transfer Reaction: Synthesis of Pyridine-Substituted Pyrroles

S. Gogoi, R. Boruah, P. P. Kaishap, 2015 .

A facile one-pot synthesis of 7-substituted pyrazolo[1,5- a ]pyrimidines by base induced three-component reaction

S. Gogoi, R. Prakash, R. Boruah, 2014 .

A Facile Synthesis of 1,7-Dicarbonyl Compounds via Three-Component Michael Addition Reactions.

C. Saikia, R. Boruah, A. Chetia, 2004 .

KF/Al2O3/PEG-400: An Efficient Catalytic System for the Fiesselmann-Type Synthesis of Thiophene Derivatives

P. Gogoi, R. Boruah, J. Gogoi, 2013 .

A Rapid and Convenient Microwave-Promoted Synthesis of 3,5-Disubstituted 2-Chloropyridines and Their Conversion into Tetrazolo[1,5-a]pyridines

S. Gogoi, S. Gogoi, R. Boruah, 2012 .

Microwave‐Promoted One‐Pot Synthesis of 4H‐Thiopyrans from α,β‐Unsaturated Ketones via a Three‐Component Reaction.

R. Boruah, Madan G. Barthakur, A. Chetia, 2006 .

Preparation of a novel 16-DPA-P2S5 adduct and its application as a masked α,β-unsaturated ketone in [4+2]cycloaddition reactions

A. Saikia, C. Saikia, R. Boruah, 2003 .

Alumina‐Promoted Fast Solid‐Phase Michael Addition of Enamines with Conjugated Enones under Microwave Irradiation.

U. Bora, J. S. Sandhu, U. Sharma, 2002 .

A facile 1,5-rearrangement of β-formylenamides and cleavage of esters catalysed by Pseudomonas fluorescens

U. Bora, J. S. Sandhu, M. Longchar, 2002 .

Facile Synthesis of a Steroidal Diyne via D-ring Cleavage

Shahadat Ahmed, R. Boruah, 1997 .

A facile method for the synthesis of steroidal and nonsteroidal 5-methyl pyrazolo[1,5-a]pyrimidines

S. Gogoi, R. Boruah, P. P. Kaishap, 2014 .

Studies on uracils: synthesis of novel pyrido[2,3-d]pyrimidine oxides via ring transformation of isoxazolo[3,4-d]pyrimidine

P. Bhuyan, R. Boruah, H. N. Borah, 2003 .

Studies on Uracils. Part 10. A Facile One‐Pot Synthesis of Pyrido‐(2,3‐d)‐ and Pyrazolo(3,4‐d)pyrimidines.

J. S. Sandhu, P. Bhuyan, R. Boruah, 1990 .

Palladium Mediated Regioselective Intramolecular Heck Reaction: Synthesis of 1,3,4-Trisubstituted Pyrazolo[3,4-b]pyridines, 3H-Pyrazolo[3,4-c]isoquinolines and 3H-Pyrazolo[4,3-f][1,7]naphthyridines.

S. Gogoi, R. Prakash, R. Boruah, 2015 .

Conjugate base catalysed one-pot synthesis of pyrazoles from β-formyl enamides

U. Bora, A. Saikia, C. Saikia, 2006 .

Synthesis of a novel class of steroidal tetrazolo[1,5-a]pyridines via intramolecular 1,3-dipolar cycloadditions

P. Gogoi, R. Boruah, J. Gogoi, 2012 .

A Novel and Efficient Lewis Acid Catalyzed Preparation of Pyrimidines: Microwave-Promoted Reaction of Urea and β-Formyl Enamides.

U. Bora, A. Saikia, C. Saikia, 2007 .

A facile synthesis of functionalized novel monocyclic trans-β-lactams

J. S. Sandhu, R. Boruah, D. K. Dutta, 1986 .

Carbon—Carbon Bond Cleavage Reaction: Synthesis of Multisubstituted Pyrazolo[1,5-a]pyrimidines.

S. Gogoi, R. Boruah, Pallabi Saikia, 2015 .

An efficient cleavage and fries rearrangement of esters with aluminium triiodide

J. S. Sandhu, A. R. Mahajan, R. Boruah, 1990 .

An Efficient Conversion of Conjugated Oximes into Substituted Pyridines under Vilsmeier Conditions.

Shahadat Ahmed, R. Boruah, 1997 .

STUDIES ON 2,1‐BENZISOXAZOLES AND RELATED HETEROCYCLES. REACTION OF DIAZOMETHANE WITH 6‐NITRO‐2,1‐BENZISOXAZOLES AND NITROBENZOFURAZAN OXIDES

J. S. Sandhu, R. Boruah, P. Devi, 1979 .

The Organic Chemistry of the Pyrrolo[1,2-a]benzimidazole Antitumor Agents. An Example of Rational Drug Design

I. Islam, E. B. Skibo, L. Bess, 1996 .

Studies on 2,1‐benzisoxazoles. Behaviour towards electrophilic substitution and cycloaddition reactions

J. S. Sandhu, G. Thyagarajan, R. Boruah, 1981 .

AN EFFICIENT SYNTHESIS OF 1,4-OXAZEPINES FROM β-FORMYL ENAMIDE USING I2-NaHCO3 SYSTEM

J. S. Sandhu, Shahadat Ahmed, M. Longchar, 2001 .

A Facile Transfer of Dicyanomethylene Group Between Arylidenemalononitrile and Aldehyde.

J. S. Sandhu, Shahadat Ahmed, U. Sarmah, 2000 .

Studies of pyrrolo[1,2-alpha]benzimidazolequinone DT-diaphorase substrate activity, topoisomerase II inhibition activity, and DNA reductive alkylation.

E. B. Skibo, S. Gordon, L. Bess, 1997, Journal of medicinal chemistry.

Aluminium triiodide mediated reductive dehalogenation of α-halocarbonyl compounds and trapping of the aluminium enolate intermediate via aldol reaction

J. S. Sandhu, R. Boruah, H. N. Borah, 1991 .

A novel reaction of thionyl chloride with 3-aryl-2,1-benzisoxazoles

J. S. Sandhu, G. Thyagarajan, R. Boruah, 1979 .

Bakers′ Yeast‐Catalyzed Ring Opening of Benzofuroxans: An Efficient Green Synthesis of Aryl‐1,2‐diamines.

D. Prajapati, R. Boruah, H. N. Borah, 2009 .

Ligand‐Free Suzuki Cross‐Coupling Reactions: Application to β‐Halo‐α,β‐Unsaturated Aldehydes

P. Gogoi, R. Boruah, Pranjal Bezboruah, 2013 .

Efficient Role of Mg‐ZnCl2 for Selective Reduction of α,β‐Unsaturated Carbonyl Compounds in Aqueous Medium.

A. Saikia, R. Boruah, Madan G. Barthakur, 2005 .

Resolution of racemic 1-arylethyl acetates by Pseudomonas fluorescens in the presence of a surfactant

U. Bora, C. Saikia, R. Boruah, 2003 .

Synthesis of 7-Acyl-2,4-disubstituted Pteridines by Radical Nucleophilic Substitution and Displacement Reactions

W. Pfleiderer, T. Döring, R. Boruah, 2004 .

Determination of the pKa Values for the Mitomycin C Redox Couple by Titration, pH Rate Profiles, and Nernst-Clark Fits. Studies of Methanol Elimination, Carbocation Formation, and the Carbocation/Quinone Methide Equilibrium

E. B. Skibo, R. Boruah, 1995 .

A Convenient Synthesis of 2-Aminobenzophenones Using Iodotrimethylsilane

J. S. Sandhu, J. N. Baruah, D. Konwar, 1984 .

Stereoselective 1,3-Dipolar Cycloaddition Reaction of Steroids.

Shahadat Ahmed, R. Boruah, 1999 .

ipso‐Hydroxylation of Arylboronic Acids and Boronate Esters by Using Sodium Chlorite as an Oxidant in Water.

P. Gogoi, R. Boruah, J. Gogoi, 2014 .

A novel ring transformation of benzofuroxanes to 1-hydroxy-2-aryl-benzimidazole-3-N-oxide with nitrones

J. S. Sandhu, R. Boruah, H. N. Borah, 1985 .

A mechanistic study of 2-vinylbenzimidazole formation from 2-(2'-haloethyl)benzimidazoles. Synthesis of highly electron-rich vinylic compounds by general base and specific acid-general base catalysis

E. B. Skibo, R. Boruah, 1993 .

A novel reaction of vilsmeier reagent with 2,1-benzisoxazoles

J. S. Sandhu, D. Konwar, R. Boruah, 1987 .

One-Pot Stereoselective Synthesis of (Z)-β-Ketoenamides from β-Halo α,β-Unsaturated Aldehydes

P. Gogoi, R. Boruah, J. Gogoi, 2014 .

A New Protocol for Synthesis of α,β‐Unsaturated Ketones Using Zirconium Tetrachloride under Microwave Irradiation.

U. Bora, A. Saikia, R. Boruah, 2006 .

Convenient preparation of A-ring fused pyridines from steroidal enamides

R. Boruah, Madan G. Barthakur, Moyurima Borthakur, 2008, Steroids.

A comparison of the cytotoxic and physical properties of aziridinyl quinone derivatives based on the pyrrolo[1,2-a]benzimidazole and pyrrolo[1,2-a]indole ring systems.

E. B. Skibo, R. Boruah, 1994, Journal of medicinal chemistry.

A Facile Method for the Synthesis of Steroidal and Nonsteroidal 5‐Methyl Pyrazolo[1,5‐a]pyrimidines.

S. Gogoi, R. Boruah, P. P. Kaishap, 2014 .

A facile synthesis of 2,4,8,10‐tetrahalo‐6,12‐diaryldibenzo[b,f][1,5]diazocines

J. S. Sandhu, R. Boruah, 1988 .

Microwave-Promoted and LewisAcid Catalysed Synthesis of 2,4,6-Triarylpyridines UsingUrea as Benign Source of Ammonia

S. Gogoi, R. Boruah, M. Dutta, 2008 .