Six-membered N,N-heterocycles

[1]  N. Kaur Ionic liquid assisted synthesis of S-heterocycles , 2019, Phosphorus, Sulfur, and Silicon and the Related Elements.

[2]  N. Kaur Nickel catalysis: six membered heterocycle syntheses , 2019, Synthetic Communications.

[3]  N. Kaur Synthesis of seven and higher-membered heterocycles using ruthenium catalysts , 2019, Synthetic Communications.

[4]  N. Kaur Copper catalyzed synthesis of seven and higher membered heterocycles , 2019, Synthetic Communications.

[5]  N. Kaur Applications of palladium dibenzylideneacetone as catalyst in the synthesis of five-membered N-heterocycles , 2019, Synthetic Communications.

[6]  N. Kaur Ultrasound-assisted green synthesis of five-membered O- and S-heterocycles , 2018, Synthetic Communications.

[7]  N. Kaur Role of Microwaves in the Synthesis of Fused Five-Membered Heterocycles with Three N-Heteroatoms , 2015 .

[8]  N. Kaur Palladium Catalysts: Synthesis of Five-Membered N-Heterocycles Fused with Other Heterocycles , 2015 .

[9]  N. Kaur,et al.  Microwave-Assisted Synthesis of Seven- and Higher-Membered O-Heterocycles , 2014 .

[10]  N. Kaur,et al.  Microwave-Assisted Synthesis of Six-Membered S-Heterocycles , 2014 .

[11]  Junhai Xiao,et al.  Novel Substituted Heteroaromatic Piperazine and Piperidine Derivatives as Inhibitors of Human Enterovirus 71 and Coxsackievirus A16 , 2013, Molecules.

[12]  R. Hsung,et al.  Allenamides: a powerful and versatile building block in organic synthesis. , 2013, Chemical reviews.

[13]  Divya Verma,et al.  Microwave-Assisted Synthesis of Spirofused Heterocycles Using Decatungstodivanadogermanic Heteropoly Acid as a Novel and Reusable Heterogeneous Catalyst under Solvent-Free Conditions , 2013 .

[14]  K. L. Ameta,et al.  ZnO Catalyzed Efficient Synthesis of Some New 2-Substituted-4,6-diarylpyrimidines , 2012, ISRN organic chemistry.

[15]  M. Shi,et al.  Transition metal-catalyzed carbocyclization of nitrogen and oxygen-tethered 1,n-enynes and diynes: synthesis of five or six-membered heterocyclic compounds. , 2012, Chemical communications.

[16]  G. S. Singh,et al.  Isatins as privileged molecules in design and synthesis of spiro-fused cyclic frameworks. , 2012, Chemical reviews.

[17]  J. Nagarkar,et al.  A novel method for the synthesis of 5-substituted 1H-tetrazole from oxime and sodium azide , 2012 .

[18]  P. Parvatkar,et al.  Recent developments in the synthesis of five- and six-membered heterocycles using molecular iodine. , 2012, Chemistry.

[19]  N. Jiao,et al.  Recent advances in transition-metal catalyzed reactions using molecular oxygen as the oxidant. , 2012, Chemical Society reviews.

[20]  M. Shi,et al.  Silver(I)-catalyzed tandem 1,3-acyloxy migration/Mannich-type addition/elimination of the sulfonyl group of N-sulfonylhydrazone-propargylic esters to 5,6-dihydropyridazin-4-one derivatives. , 2012, Chemistry.

[21]  N. Fawzy,et al.  Ceric (IV) a Facile and Eco-Friendly Catalysis in Heterocyclic Synthesis (II): A One-Pot Synthesis of Pyrimido(4,5-d)pyrimidines through Biginelli Reaction , 2012 .

[22]  K. L. Ameta,et al.  Facile synthesis of some novel 2 -substituted-4,6- diarylpyrimidines using4'-hydroxy-3',5'-dinitrochalcones andS- benzylthiouronium chloride , 2012 .

[23]  H. Waldmann,et al.  Enantioselective synthesis of the spirotryprostatin A scaffold , 2011 .

[24]  S. Batra,et al.  Applications of allylamines for the syntheses of aza-heterocycles ☆ , 2011 .

[25]  M. Dell’Acqua,et al.  Silver-catalysed intramolecular cyclisation of 2-alkynylacetophenones and 3-acetyl-2-alkynylpyridines in the presence of ammonia. , 2011, Organic & biomolecular chemistry.

[26]  Hong Liu,et al.  Recent advances in the gold-catalyzed additions to C–C multiple bonds , 2011, Beilstein journal of organic chemistry.

[27]  Hongxia Liu,et al.  Copper-catalyzed aerobic oxidative intramolecular alkene C-H amination leading to N-heterocycles. , 2011, Organic letters.

[28]  R. Mishra,et al.  Synthesis, properties and biological activity of thiophene: A review , 2011 .

[29]  P. Kumar,et al.  In Silico Screening, Structure-Activity Relationship, and Biologic Evaluation of Selective Pteridine Reductase Inhibitors Targeting Visceral Leishmaniasis , 2010, Antimicrobial Agents and Chemotherapy.

[30]  E. Koroleva,et al.  Synthesis and applications of 2-aminopyrimidine derivatives as key intermediates in chemical synthesis of biomolecules , 2010 .

[31]  K. Dawood,et al.  Synthetic Routes to Benzimidazole-Based Fused Polyheterocycles , 2010 .

[32]  Herbert Waldmann,et al.  Highly enantioselective synthesis and cellular evaluation of spirooxindoles inspired by natural products , 2010, Nature Chemistry.

[33]  M. Taddei,et al.  Microwave-assisted carbonylation and cyclocarbonylation of aryl iodides under ligand free heterogeneous catalysis. , 2010, The Journal of organic chemistry.

[34]  G. Favi,et al.  Copper(II)/copper(I)-catalyzed aza-Michael addition/click reaction of in situ generated alpha-azidohydrazones: synthesis of novel pyrazolone-triazole framework. , 2010, Organic letters.

[35]  M. Mashreghi,et al.  Molecular iodine promoted synthesis of new pyrazolo[3,4-d]pyrimidine derivatives as potential antibacterial agents. , 2010, European journal of medicinal chemistry.

[36]  C. Cai,et al.  Iodine catalyzed one-pot multicomponent synthesis of a library of compounds containing tetrazolo[1,5-a]pyrimidine core. , 2010, Journal of combinatorial chemistry.

[37]  A. Kapdi,et al.  Transition-metal-catalyzed direct arylation of (hetero)arenes by C-H bond cleavage. , 2009, Angewandte Chemie.

[38]  M. Gopalakrishnan,et al.  A Green Chemical Approach towards the 'One-Pot' Synthesis, Spectral Characterization and in Vitro Antibacterial and Antifungal Activities of Morpholino Pyrimidines , 2009 .

[39]  Hualiang Jiang,et al.  Gold- and Silver-Catalyzed Intramolecular Hydroamination of Terminal Alkynes: Water-Triggered Chemo- and Regioselective Synthesis of Fused Tricyclic Xanthines , 2009 .

[40]  S. Silvestre,et al.  Recent Advances of Bismuth(III) Salts in Organic Chemistry: Application to the Synthesis of Heterocycles of Pharmaceutical Interest , 2009 .

[41]  S. Tala,et al.  Multi‐Component Synthesis of Dihydropyrimidines by Iodine Catalyst at Ambient Temperature and in‐vitro Antimycobacterial Activity , 2009, Archiv der Pharmazie.

[42]  N. Shapiro,et al.  Gold-catalyzed [3+3]-annulation of azomethine imines with propargyl esters. , 2009, Journal of the American Chemical Society.

[43]  E. Gallo,et al.  Nitrene transfer reactions mediated by metallo-porphyrin complexes. , 2009, Dalton transactions.

[44]  M. Dell’Acqua,et al.  Microwave‐Promoted Synthesis of N‐Heterocycles by Tandem Imination/Annulation of γ‐ and δ‐Ketoalkynes in the Presence of Ammonia , 2009 .

[45]  Bahjat A. Saeed,et al.  Microwave-Assisted Synthesis of Acyclic C-Nucleosides from 1,2- and 1,3-Diketones , 2009, Nucleosides, nucleotides & nucleic acids.

[46]  M. Syamala,et al.  Recent Progress in Three-Component Reactions. An Update , 2009 .

[47]  M. Whittlesey,et al.  Transition metal catalysed reactions of alcohols using borrowing hydrogen methodology. , 2009, Dalton transactions.

[48]  C. Cai,et al.  Three-components condensation catalyzed by molecular iodine for the synthesis of 2,4,6-triarylpyridines and 5-unsubstituted-3,4-dihydropyrimidin-2(1H)-ones under solvent-free conditions , 2009 .

[49]  J. Cossy,et al.  Copper-catalyzed Diels-Alder reactions. , 2008, Chemical reviews.

[50]  Enrico Perspicace,et al.  Synthesis of substituted [1,3]thiazolo[4,5-b]pyridines and [1,3]thiazolo[4,5-d][1,2,3]triazines , 2008 .

[51]  Benjamin Willy,et al.  Consecutive multi-component syntheses of heterocycles via palladium-copper catalyzed generation of alkynones , 2008 .

[52]  S. Cicchi,et al.  Novel syntheses of azetidines and azetidinones. , 2008, Chemical reviews.

[53]  G. Evano,et al.  Copper-mediated coupling reactions and their applications in natural products and designed biomolecules synthesis. , 2008, Chemical reviews.

[54]  M. M. Díaz‐Requejo,et al.  Coinage metal catalyzed C-H bond functionalization of hydrocarbons. , 2008, Chemical reviews.

[55]  A. Arcadi Alternative synthetic methods through new developments in catalysis by gold. , 2008, Chemical reviews.

[56]  Ignacio Rodríguez-García,et al.  Silver-mediated synthesis of heterocycles. , 2008, Chemical reviews.

[57]  J. Ellman,et al.  Direct functionalization of nitrogen heterocycles via Rh-catalyzed C-H bond activation. , 2008, Accounts of chemical research.

[58]  N. Zanatta,et al.  Ionic liquids in heterocyclic synthesis. , 2008, Chemical reviews.

[59]  T. Mueller,et al.  Novel Microwave-Assisted One-Pot Synthesis of Isoxazoles by a Three-Component Coupling—Cycloaddition Sequence. , 2008 .

[60]  Y. Chung,et al.  Silver(I)-catalyzed facile synthesis of pyrazoles from propargyl N-sulfonylhydrazones. , 2008, The Journal of organic chemistry.

[61]  Yong Zhang,et al.  Synthesis and catalytic activity of neutral salicylaldiminato nickel(II) complexes bearing a single N-heterocyclic carbene ligand , 2008 .

[62]  R. Crabtree,et al.  Mechanism of Homogeneous Iridium-Catalyzed Alkylation of Amines with Alcohols from a DFT Study , 2008 .

[63]  G. Hammond,et al.  Concise preparation of 2,2-difluorohomopropargyl carbonyl derivatives. Application to the synthesis of 4,4-difluoroisoquinolinone congeners. , 2008, The Journal of organic chemistry.

[64]  C. Kappe,et al.  Integration of high speed microwave chemistry and a statistical ‘design of experiment’ approach for the synthesis of the mitotic kinesin Eg5 inhibitor monastrol , 2008 .

[65]  K. Fujita,et al.  Cp*Ir-catalyzed N-alkylation of amines with alcohols. A versatile and atom economical method for the synthesis of amines , 2008 .

[66]  H. Davies,et al.  Catalytic C–H functionalization by metal carbenoid and nitrenoid insertion , 2008, Nature.

[67]  Xinzheng Yang,et al.  The catalytic dehydrogenation of ammonia-borane involving an unexpected hydrogen transfer to ligated carbene and subsequent carbon-hydrogen activation. , 2008, Journal of the American Chemical Society.

[68]  K. Saidi,et al.  Microwave-assisted synthesis of dihydropyrimidin-2(1H)-ones using graphite supported lanthanum chloride as a mild and efficient catalyst. , 2008, Bioorganic & medicinal chemistry letters.

[69]  R. Madsen,et al.  Iridium catalysed synthesis of piperazines from diols. , 2007, Chemical communications.

[70]  M. Martinelli,et al.  C-C, C-O, C-N bond formation on sp2 carbon by Pd(II)-catalyzed reactions involving oxidant agents. , 2007, Chemical reviews.

[71]  C. Mukhopadhyay,et al.  Microwave-induced bismuth nitrate-catalyzed synthesis of dihydropyrimidones via Biginelli condensation under solventless conditions , 2007 .

[72]  Xian Huang,et al.  Solid-phase synthesis of 1,3,6-trisubstituted uracils using selenium-bound resin , 2007 .

[73]  D. Dixon,et al.  A Au(i)-catalyzed N-acyl iminium ion cyclization cascade. , 2007, Journal of the American Chemical Society.

[74]  S. Batra,et al.  Expeditious synthesis of 5,6,7,8-tetrahydro-imidazo[1,2-a]pyrimidin-2-ones and 3,4,6,7,8,9-hexahydro-pyrimido[1,2-a]pyrimidin-2-ones☆ , 2007 .

[75]  T. Müller,et al.  Multi-component syntheses of heterocycles by transition-metal catalysis. , 2007, Chemical Society reviews.

[76]  K. C. Majumdar,et al.  Tetrahedron report number 796 Formation of medium-ring heterocycles by diene and enyne metathesis , 2007 .

[77]  Hisashi Yamamoto,et al.  Catalytic Enantioselective Hetero-Diels−Alder Reactions of an Azo Compound [J. Am. Chem. Soc. 2006, 128, 16482−16483]. , 2007 .

[78]  H. R. Darabi,et al.  Benign approaches for the microwave-assisted synthesis of quinoxalines , 2007 .

[79]  J. Kremsner,et al.  5-aroyl-3,4-dihydropyrimidin-2-one library generation via automated sequential and parallel microwave-assisted synthesis techniques. , 2007, Journal of combinatorial chemistry.

[80]  Zhengyin Du,et al.  New three-component cyclocondensation reaction: microwave-assisted one-pot synthesis of 5-unsubstituted-3,4-dihydropyrimidin-2(1H)-ones under solvent-free conditions , 2007 .

[81]  T. Jamison,et al.  Nickel-catalyzed synthesis of acrylamides from alpha-olefins and isocyanates. , 2007, Organic letters.

[82]  P. Lograsso,et al.  Synthesis of potent bicyclic bisarylimidazole c-Jun N-terminal kinase inhibitors by catalytic C-H bond activation. , 2007, Journal of the American Chemical Society.

[83]  T. Jamison,et al.  Highly Selective Coupling of Alkenes and Aldehydes Catalyzed by [Ni(NHC){P(OPh)3}]: Synergy Between a Strong σ Donor and a Strong π Acceptor , 2007 .

[84]  C. Kappe,et al.  Microwave-assisted solution- and solid-phase synthesis of 2-amino-4-arylpyrimidine derivatives. , 2007, Journal of combinatorial chemistry.

[85]  M. Kawasaki,et al.  Catalytic enantioselective hetero-Diels-Alder reactions of an azo compound. , 2006, Journal of the American Chemical Society.

[86]  Miriam Álvarez-Corral,et al.  Silver-catalyzed asymmetric synthesis of 2,3-dihydrobenzofurans: a new chiral synthesis of pterocarpans. , 2006, Chemistry.

[87]  I. Mohammadpoor‐Baltork,et al.  Bi(TFA)3 immobilized in [nbpy]FeCl4: An efficient catalyst system for the one-pot synthesis of 4,6-diarylpyrimidin-2(1H)-ones , 2006 .

[88]  M. Belkadi,et al.  A common route to the synthesis of 1,3,4-oxadiazole -2-thione and 1,2,4-triazole -3-thiols derivatives of trioses and pentoses as models for acyclic C-nucleosides , 2006 .

[89]  I. Mohammadpoor‐Baltork,et al.  TCT (2,4,6-Trichloro-1,3,5-triazine) Promoted Single-Step Synthesis of 4,6-Diarylpyrimidin-2(1H)-ones under Microwave Irradiation , 2006 .

[90]  Sanjay Kumar,et al.  AlCl3 Mediated Three Component Cyclocondensation for the Synthesis of 5‐Unsubstituted 3,4‐Dihydropyrimidin‐2(1H)‐ones. , 2006 .

[91]  A. Charette,et al.  Stereoselective synthesis of pyridinones: application to the synthesis of (-)-barrenazines. , 2006, Organic letters.

[92]  F. Lahoz,et al.  Synthesis and catalytic activity of cationic allyl complexes of nickel stabilized by a single N-heterocyclic carbene ligand , 2006 .

[93]  E. Gallo,et al.  Coordination chemistry of organic azides and amination reactions catalyzed by transition metal complexes , 2006 .

[94]  M. Gopalakrishnan,et al.  Microwave-Promoted Facile and Rapid Solvent-Free Synthesis Procedure for the Efficient Synthesis of 3,4-Dihydropyrimidin-2(1H)-Ones and -Thiones Using ZrO2/SO42- as a Reusable Heterogeneous Catalyst , 2006 .

[95]  Min Zhang,et al.  Facile One‐Pot Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐one Catalyzed by Zn(NH2SO3)2 , 2006 .

[96]  B. Ganem,et al.  Studies on the Biginelli reaction: a mild and selective route to 3,4-dihydropyrimidin-2(1H)-ones via enamine intermediates , 2006 .

[97]  I. Mutule,et al.  Microwave-assisted Heterocyclic Chemistry , 2006 .

[98]  F. Bamoharram,et al.  A catalytic method for synthesis of Biginelli-type 3,4-dihydropyrimidin-2 (1H)-one using 12-tungstophosphoric acid , 2005 .

[99]  M. Čuperlović-Culf,et al.  Dihydropyrimidinones containing boronic acids , 2005 .

[100]  J. Yadav,et al.  Iodotrimethylsilane‐Accelerated One‐Pot Synthesis of 5‐Unsubstituted 3,4‐Dihydropyrimidin‐2(1H)‐ones: A Novel Procedure for the Biginelli‐Like Cyclocondensation Reaction at Room Temperature , 2005 .

[101]  P. Graczyk,et al.  The neuroprotective action of JNK3 inhibitors based on the 6,7-dihydro-5H-pyrrolo[1,2-a]imidazole scaffold. , 2005, Bioorganic & medicinal chemistry letters.

[102]  F. Rominger,et al.  Concise syntheses of meridianins by carbonylative alkynylation and a four-component pyrimidine synthesis. , 2005, Angewandte Chemie.

[103]  R. Gibbs,et al.  Scandium(III) Triflate as an Efficient and Reusable Catalyst for Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐ones , 2005 .

[104]  P. Dubey,et al.  Bismuth (III) nitrate catalyzed one-pot synthesis of 3,4-dihydro-pyrimidin-2-(1H)-ones: An improved protocol for the Biginelli reaction , 2005 .

[105]  W. Su,et al.  One-pot synthesis of dihydropyrimidiones catalyzed by strontium(II) triflate under solvent-free conditions , 2005 .

[106]  T. Katsuki,et al.  Azide Compounds: Nitrogen Sources for Atom-efficient and Ecologically Benign Nitrogen-atom-transfer Reactions , 2005 .

[107]  M. Heravi,et al.  Natural HEU type zeolite catalyzed Biginelli reaction for the synthesis of 3,4-dihydropyrimidin-2(1H) one derivatives , 2005 .

[108]  M. Kidwai,et al.  Synthesis of Furo[2,3‐d]pyrimidines Using Inorganic Solid Support. , 2005 .

[109]  B. Rajitha,et al.  Copper dipyridine dichloride as a mild and efficient catalyst for a one pot condensation bigenelli reaction , 2005 .

[110]  R. Gibbs,et al.  Ruthenium(III) Chloride-Catalyzed One-Pot Synthesis of 3,4-Dihydro­pyrimidin-2-(1H)-ones under Solvent-Free Conditions , 2005 .

[111]  R. Hsung,et al.  Copper-catalyzed stereospecific N-allenylations of amides. Syntheses of optically enriched chiral allenamides. , 2005, Organic letters.

[112]  W. Zhuang,et al.  Catalytic and enantioselective aza-ene and hetero-Diels-Alder reactions of alkenes and dienes with azodicarboxylates. , 2005, Organic & biomolecular chemistry.

[113]  Shenlin Huang,et al.  Highly Chemoselective Multicomponent Biginelli‐Type Condensations of Cycloalkanones, Urea or Thiourea and Aldehydes , 2005 .

[114]  G. Rao,et al.  Bismuth Oxide Perchlorate Catalyzed Efficient Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐ones: An Improved High Yielding Protocol for the Biginelli Reaction. , 2005 .

[115]  A. Khosropour,et al.  Bi(NO3)3·5H2O-TBAF as an Efficient Reagent for in situ Oxidation: Dihydropyrimidinone Formation from Benzyl Halides , 2005 .

[116]  G. Abbiati,et al.  Intramolecular cyclization of delta-iminoacetylenes: a new entry to pyrazino[1,2-a]indoles. , 2005, The Journal of organic chemistry.

[117]  C. Kappe,et al.  Microwave-enhanced and metal-catalyzed functionalizations of the 4-aryl-dihydropyrimidone template. , 2005, Journal of combinatorial chemistry.

[118]  G. Zeni Carbon–sulfur bond formation from 2-halochalcogenophenes via copper catalyzed thiol cross-coupling , 2005 .

[119]  A. Khosropour,et al.  A One-Pot Synthesis of 3,4-Dihydropyrimidin-2-(1H)-ones from Primary Alcohols Promoted by Bi(NO3)3・5H2O in Two Different Media: Organic Solvent and Ionic Liquid , 2005 .

[120]  Fan Xu,et al.  An Efficient One-Pot Synthesis of Dihydropyrimidinones by a Samarium Diiodide Catalyzed Biginelli Reaction Under Solvent-Free Conditions , 2005 .

[121]  A. Shaabani,et al.  Ionic liquid promoted efficient synthesis of 3,4-dihydropyrimidin-2-(1H)-ones , 2005 .

[122]  S. Pednekar,et al.  Large scale Biginelli reaction via water-based biphasic media: a green chemistry strategy , 2005 .

[123]  K. Fujita,et al.  Cp*Ir Complex-Catalyzed Hydrogen Transfer Reactions Directed Toward Environmentally Benign Organic Synthesis , 2005 .

[124]  A. Thakur,et al.  Studies on 6-[(dimethylamino)methylene]aminouracil: a facile one-pot synthesis of novel pyrimido[4,5-d]pyrimidine derivatives , 2005 .

[125]  Ira Saxena,et al.  Three component condensations catalyzed by iodine-alumina for the synthesis of substituted 3,4-dihydropyrimidin-2(1H)-ones under microwave irradiation and solvent-free conditions , 2005 .

[126]  M. Kidwai,et al.  An efficient synthesis of 2,4,5-trisubstituted and 1,2,4,5-tetrasubstituted-1H-imidazoles , 2005 .

[127]  Shenlin Huang,et al.  Chemoselective Multicomponent Condensation of 1,3-Cyclohexanedione, Urea or Thiourea with Aldehydes: One-Pot Synthesis of Two Families of Fused Heterobicyclic and Spiro-fused Heterobicyclic Aliphatic Rings , 2005 .

[128]  M. Vovk,et al.  4-Functionally Substituted 3-Heterylpyrazoles: XIII. 3-Aryl(heteryl)-4-(4-pyrazolyl)-1,2,3,4-tetrahydropyrimidin-2-ones(thiones) , 2005 .

[129]  Q. Guo,et al.  A Facile and Efficient One‐Pot Synthesis of Dihydropyrimidinones Catalyzed by Magnesium Bromide Under Solvent‐Free Conditions , 2004 .

[130]  A. Khosropour,et al.  An Efficient and Environmentally Friendly Method for Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐ones Catalyzed by Bi(NO3)3 · 5H2O , 2004 .

[131]  J. S. Sandhu,et al.  A facile microwave induced one-pot synthesis of novel pyrimido[4,5-d]pyrimidines and pyrido[2,3-d]pyrimidines under solvent-free conditions , 2004 .

[132]  R. Bhosale,et al.  An efficient, high yield protocol for the one-pot synthesis of dihydropyrimidin-2(1H)-ones catalyzed by iodine , 2004 .

[133]  N. Zanatta,et al.  Indium(III) bromide catalyzed one-pot synthesis of trichloromethylated tetrahydropyrimidinones , 2004 .

[134]  Murugulla Adharvana Chari,et al.  Silicagel supported sodium hydrogensulfate as a heterogenous catalyst for high yield synthesis of 3,4-dihydropyrimidin-2 (1H)-ones , 2004 .

[135]  S. Pednekar,et al.  A simplified green chemistry approach to the Biginelli reaction using ‘Grindstone Chemistry’ , 2004 .

[136]  S. Palaniappan,et al.  One-Pot Synthesis of Dihydropyrimidinones Using Polyaniline—Bismoclite Complex. A Facile and Reusable Catalyst for the Biginelli Reaction. , 2004 .

[137]  K. Nagaiah,et al.  Cadmium Chloride: An Efficient Catalyst for One‐Pot Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐ones. , 2004 .

[138]  C. Xia,et al.  Novel Biginelli-like three-component cyclocondensation reaction: efficient synthesis of 5-unsubstituted 3,4-dihydropyrimidin-2(1H)-ones , 2004 .

[139]  Doris Dallinger,et al.  Combining Biginelli multicomponent and click chemistry: generation of 6-(1,2,3-triazol-1-yl)-dihydropyrimidone libraries. , 2004, Journal of combinatorial chemistry.

[140]  B. Das,et al.  Iodine Catalyzed One-Pot Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones and Thiones: A Simple and Efficient Procedure for the Biginelli Reaction , 2004 .

[141]  K. Nagaiah,et al.  A Novel L-Proline Catalyzed Biginelli Reaction : One-Pot Synthesis of 3, 4-Dihydropyrimidin-2(1H)-ones under Solvent-Free Conditions , 2004 .

[142]  A. Chakraborty,et al.  In(OTf)3-catalysed one-pot synthesis of 3,4-dihydropyrimidin-2(lH)-ones , 2004 .

[143]  G. Jenner Effect of high pressure on Biginelli reactions. Steric hindrance and mechanistic considerations , 2004 .

[144]  A. Padwa,et al.  Transition metal catalyzed ring opening reactions of 2-phenyl-3-vinyl substituted 2H-azirines , 2004 .

[145]  M. Pirrung,et al.  β-lactam synthesis by Ugi reaction of β-keto acids in aqueous solution , 2004 .

[146]  J. Yadav,et al.  NbCl5-catalyzed Rapid and Efficient Synthesis of 3,4-Dihydropyrimidinones Under Ambient Conditions , 2004 .

[147]  Z. Ge,et al.  A highly efficient solvent-free synthesis of dihydropyrimidinones catalyzed by zinc chloride , 2004 .

[148]  J. Louie,et al.  Highly active nickel catalysts for the isomerization of unactivated vinyl cyclopropanes to cyclopentenes. , 2004, Angewandte Chemie.

[149]  D. Schollmeyer,et al.  Synthesis of Naturally Occurring Pyrazine and Imidazole Alkaloids from Botryllus LeachiRID=”a”ID=”a” Dedicated to Prof. G. Märkl on the occasion of his 75th birthday , 2004 .

[150]  J. Yadav,et al.  Montmorillonite KSF clay catalyzed one-pot synthesis of α-aminonitriles , 2004 .

[151]  D. S. Bose,et al.  A Remarkable Rate Acceleration of the One-Pot Three-Component Cyclo­condensation Reaction at Room Temperature: An Expedient Synthesis of ­Mitotic Kinesin Eg5 Inhibitor Monastrol , 2004 .

[152]  K. Nagaiah,et al.  Green Protocol for the Biginelli Three-Component Reaction: Ag3PW12O40 as a Novel, Water-Tolerant Heteropolyacid for the Synthesis of 3,4-Dihydropyrimidinones , 2004 .

[153]  M. Pirrung,et al.  Multicomponent reactions are accelerated in water. , 2004, Journal of the American Chemical Society.

[154]  Walter Keung,et al.  Novel α-amino amidine synthesis via scandium(III) triflate mediated 3CC ugi condensation reaction , 2004 .

[155]  Xiao-liu Li,et al.  An Efficient One‐Pot Synthesis of 3,4‐Dihydropyrimidin‐2‐ones Catalyzed by Methanesulfonic Acid , 2004 .

[156]  Shenlin Huang,et al.  Trimethylsilyl Chloride: A Facile and Efficient Reagent for One‐Pot Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐ones , 2004 .

[157]  M. Hosseini,et al.  Microwave‐Assisted Efficient Synthesis of Dihydropyrimidines in Solvent‐Free Condition , 2004 .

[158]  B. Sunil Kumar,et al.  Bismuth Subnitrate Catalyzed Efficient Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐Ones: An Improved Protocol for the Biginelli Reaction , 2004 .

[159]  M. Kidwai,et al.  Base Catalyzed Pyrimidine Synthesis Using Microwave. , 2004 .

[160]  M. C. Baird,et al.  The synthesis and X-ray structure of trans-NiCl2(1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene)2; attempts to polymerize olefins utilizing a nickel(II) complex of a sterically demanding N-heterocyclic carbene , 2003 .

[161]  R. Schneider,et al.  Transfer Hydrogenation of Imines Catalyzed by a Nickel(0)/NHC Complex , 2003 .

[162]  Naseem Ahmed,et al.  An Improved Procedure for the Isomerisation of 2′-Hydroxysubstituted Chalcones to Flavanones Using Silica Supported-BiCl3 Under Dry Conditions † , 2003 .

[163]  T. Müller,et al.  New entry to a three-component pyrimidine synthesis by TMS-Ynones via Sonogashira coupling. , 2003, Organic letters.

[164]  A. Mitra,et al.  Clay Catalysed Synthesis of Dihydropyrimidinones under Solvent-free Conditions , 2003 .

[165]  C. Kappe The Generation of Dihydropyrimidine Libraries Utilizing Biginelli Multicomponent Chemistry , 2003 .

[166]  G. Abbiati,et al.  Novel intramolecular cyclization of N-alkynyl heterocycles containing proximate nucleophiles , 2003 .

[167]  P. Müller,et al.  Enantioselective catalytic aziridinations and asymmetric nitrene insertions into CH bonds. , 2003, Chemical reviews.

[168]  S. Shimada,et al.  Synthesis of 1-tetralones by intramolecular Friedel–Crafts reaction of 4-arylbutyric acids using Lewis acid catalysts , 2003 .

[169]  A. Spivey,et al.  Traceless solid phase synthesis of 2-substituted pyrimidines using an 'off-the-shelf' chlorogermane-functionalised resin. , 2003, Organic & biomolecular chemistry.

[170]  E. Carreira,et al.  Total Synthesis of Spirotryprostatin A , 2003, Synfacts.

[171]  E. Carreira,et al.  First total synthesis of (+/-)-strychnofoline via a highly selective ring-expansion reaction. , 2002, Journal of the American Chemical Society.

[172]  G. Primofiore,et al.  An approach to novel fused triazole or tetrazole derivatives starting from Benzimidazo[1,2-a]quinazoline-5(7H)-one and 5,7-Dihydro-5-oxopyrido[3',2':5,6]pyrimido[1,2-a]benzimidazole , 2002 .

[173]  M. Kidwai,et al.  A novel one pot synthesis of nitrogen containing heterocycles: an alternate methodology to the Biginelli and Hantzsch reactionsElectronic supplementary information (ESI) available: General procedure for the synthesis of Biginelli tetrahydropyrimidines (2b???e) and 1,4-dihydropyridines 3a???e. See ht , 2002 .

[174]  M. Alam,et al.  Bismuth triflate catalyzed one-pot synthesis of 3,4-dihydropyrimidin-2 (1H)-ones: An improved protocol for the Biginelli reaction , 2002 .

[175]  R. Anand,et al.  Synthesis of 2-methyl pyrazine over zinc-modified ferrierite (FER) catalysts , 2002 .

[176]  C. Cho,et al.  Ruthenium-catalysed oxidative cyclisation of 2-aminobenzyl alcohol with ketones: modified Friedlaender quinoline synthesis , 2001 .

[177]  K. Raghavan,et al.  Zeolite-catalyzed cyclocondensation reaction for the selective synthesis of 3,4-dihydropyrimidin-2(1H)-ones , 2001 .

[178]  M. Mori,et al.  Dramatic Influence on the Olefinic Geometry in the Nickel(0)-Catalyzed Coupling Reaction of 1,3-Dienes and Aldehydes Using N-Heterocyclic Carbene as a Ligand , 2001 .

[179]  David A. Powell,et al.  Dysprosium(III) catalyzed formation of hexahydrofuro[3,2-c]quinolines via 2:1 coupling of dihydrofuran with substituted anilines , 2001 .

[180]  C. Kappe,et al.  Automated library generation using sequential microwave-assisted chemistry. Application toward the Biginelli multicomponent condensation. , 2001, Journal of combinatorial chemistry.

[181]  C. S. Reddy,et al.  ChemInform Abstract: Mn(OAc)3×2H2O-Mediated Three-Component, One-Pot Condensation Reaction: An Efficient Synthesis of 4-Aryl-Substituted 3,4-Dihydropyrimidin-2-ones. , 2001 .

[182]  Günther Wess,et al.  Medicinal Chemistry: Challenges and Opportunities. , 2001, Angewandte Chemie.

[183]  K. Ramalinga,et al.  Bismuth(III)-Catalyzed Synthesis of Dihydropyrimidinones: Improved Protocol Conditions for the Biginelli Reaction , 2001 .

[184]  Jun Lu,et al.  One-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones using lanthanum chloride as a catalyst , 2000 .

[185]  A. Baxter,et al.  4,6-Dichloro-5-nitropyrimidine: a versatile building block for the solid phase synthesis of dihydropteridinones , 2000 .

[186]  C. Kappe Recent advances in the Biginelli dihydropyrimidine synthesis. New tricks from an old dog. , 2000, Accounts of chemical research.

[187]  B. Ranu,et al.  Indium(III) chloride-catalyzed one-pot synthesis of dihydropyrimidinones by a three-component coupling of 1,3-dicarbonyl compounds, aldehydes, and urea: an improved procedure for the Biginelli reaction. , 2000, The Journal of organic chemistry.

[188]  T. Ramalingam,et al.  Microwave-Assisted Efficient synthesis of Dihydro Pyrimidines: Improved High Yielding Protocol for the Biginelli Reaction , 2000 .

[189]  B. C. Soderberg Synthesis of Heterocycles via Intramolecular Annulation of Nitrene Intermediates , 2000 .

[190]  E. Carreira,et al.  Efficient Synthesis of (±)‐Horsfiline through the MgI2‐Catalyzed Ring‐Expansion Reaction of a Spiro[cyclopropane‐1,3′‐indol]‐2′‐one , 2000 .

[191]  C. Qian,et al.  Lanthanide triflate catalyzed Biginelli reaction. one-pot synthesis of dihydropyrimidinones under solvent-free conditions. , 2000, The Journal of organic chemistry.

[192]  F. Bentiss,et al.  Accelerated synthesis of 3,5-disubstituted 4-amino-1,2,4-triazoles under microwave irradiation , 2000 .

[193]  E. Olhava,et al.  Enantioselective Synthesis of Dihydropyrans. Catalysis of Hetero Diels−Alder Reactions by Bis(oxazoline) Copper(II) Complexes , 2000 .

[194]  C. Kappe,et al.  Microwave-mediated Biginelli reactions revisited. On the nature of rate and yield enhancements , 2000 .

[195]  S. Naranjo,et al.  Novel alkaloids from the red ascidian botryllus leachi , 1999 .

[196]  S. Carloni,et al.  A revision of the Biginelli reaction under solid acid catalysis. Solvent-free synthesis of dihydropyrimidines over montmorillonite KSF , 1999 .

[197]  K. Rossen,et al.  AN EFFICIENT ASYMMETRIC HYDROGENATION APPROACH TO THE SYNTHESIS OF THE CRIXIVAN PIPERAZINE INTERMEDIATE , 1998 .

[198]  C. Kappe,et al.  Polyphosphate Ester-Mediated Synthesis of Dihydropyrimidines. Improved Conditions for the Biginelli Reaction , 1998 .

[199]  G. Koten,et al.  Ruthenium-complex catalyzed N-(cyclo)alkylation of aromatic amines with diols. Selective synthesis of N-(n-hydroixyalkyl)anilines of type PhNH(CH2)nOH and of some bioactive arylpiperazines, , 1998 .

[200]  A. Schuffenhauer,et al.  Hetero-Diels—Alder Reactions of 1-Oxa-1,3-butadienes , 1998 .

[201]  E. Hu,et al.  Unprecedented Catalytic Three Component One-Pot Condensation Reaction: An Efficient Synthesis of 5-Alkoxycarbonyl- 4-aryl-3,4-dihydropyrimidin-2(1H)-ones , 1998 .

[202]  A. Shutalev,et al.  A New Convenient Synthesis of 5-Acyl-1,2,3,4-tetrahydropyrimidine-2-thiones/ones , 1998 .

[203]  M. Kimura,et al.  Palladium(II)-Catalyzed Intramolecular Aminocarbonylation of endo-Carbamates under Wacker-Type Conditions. , 1997, The Journal of organic chemistry.

[204]  Lutz F. Tietze,et al.  HETERO DIELS-ALDER REACTIONS IN ORGANIC CHEMISTRY , 1997 .

[205]  Gene-Hsiang Lee,et al.  Cyclopropenation and Related Reactions of Ruthenium Vinylidene Complexes , 1996 .

[206]  Antony J. Williams,et al.  FACILE REARRANGEMENTS OF ALKYNYLAMINO HETEROCYCLES WITH NOBLE METAL CATIONS , 1996 .

[207]  Noguchi Michihiko,et al.  Iodocyclization of 3-alkynyl- and 3-allenyl-2-(substituted amino)-1-imidazolin-4-ones , 1996 .

[208]  Rongan Zhang,et al.  Calcium entry blockers and activators: conformational and structural determinants of dihydropyrimidine calcium channel modulators. , 1995, Journal of medicinal chemistry.

[209]  H. Seki,et al.  Synthesis of tetrazoles bearing a sugar moiety (sugar tetrazoles). X-Ray molecular structure of ‘(7R,8R,9S,10R)-8,9,10-tribenzyloxy-7-benzyloxymethyl-6-oxa-1,5-pentamethylenetetrazole’ , 1995 .

[210]  S. Nishiyama,et al.  Synthesis and antiviral evaluation of [(2′S, 3′S)-bis(hydroxymethyl)azeitidin-1-yl]pyrimidine nucleosides: analogs of oxetanocin-A , 1994 .

[211]  C. Kappe 100 years of the biginelli dihydropyrimidine synthesis , 1993 .

[212]  C. R. Strauss,et al.  A comparison of reaction kinetics observed under microwave irradiation and conventional heating , 1993 .

[213]  M. Kimura,et al.  Palladium(II)-catalyzed oxidative aminocarbonylation of unsaturated carbamates , 1992 .

[214]  J. Marsella Ruthenium catalyzed reactions of ethylene glycol with primary amines: steric factors and selectivity control , 1991 .

[215]  Z. Yoshida,et al.  Urea as the most reactive and versatile nitrogen nucleophile for the palladium(2+)-catalyzed cyclization of unsaturated amines , 1988 .

[216]  K. Atwal,et al.  Synthesis of substituted 1,2,3,4-tetrahydro-6-methyl-2-oxo-5-pyrimidinecarboxylic acid esters: the Biginelli condensation revisited , 1987 .

[217]  M. Malley,et al.  Synthesis of substituted 1,2,3,4-tetrahydro-6-methyl-2-thioxo-5-pyrimidinecarboxylic acid esters , 1987 .

[218]  V. K. Ahluwalia,et al.  A novel one step synthesis of pyrano (2,3-d) pyrimidines , 1986 .

[219]  H. Sajiki,et al.  Pyrimidines. Part 57. A Versatile Synthesis of Pyrimido [4,5-d]-pyrimidine-2,4,5-trione Derivatives , 1986 .

[220]  Yoshihisa Watanabe,et al.  Ruthenium complex catalyzed N-heterocyclization. Syntheses of N-substituted piperidines, morpholines, and piperazines from amines and 1,5-diols , 1985 .

[221]  Y. Kitade,et al.  A facile synthesis of 7-substituted pyrimido[4,5-d]-pyrimidine-2,4-diones , 1984 .

[222]  H. Midorikawa,et al.  Synthetic studies using α,β-unsaturated nitriles: a one-step synthesis of hexahydropyrimidine derivatives , 1984 .

[223]  H. Alper,et al.  An interesting azirine induced reaction of the cyclopentadienyliron dicarbonyl dimer , 1979 .

[224]  A. Padwa,et al.  Photochemical transformations of small ring heterocyclic compounds. 75. Photochemistry of arylazirines in hydroxylic media , 1976 .

[225]  H. Alper,et al.  Group 6 metal carbonyl induced dimerization of azirines , 1975 .

[226]  A. Padwa,et al.  Photochemical transformations of small ring heterocyclic compounds. XLVI. Scope of the photoinduced 1,3-dipolar addition reactions of arylazirines , 1973 .

[227]  R. K. Robins,et al.  A new synthesis of the pyrimido[4,5-d] pyrimidine ring. Preparation of pyrimido[4,5-d] pyrimidine-2,4,5,7-tetrone , 1970 .