α-Oxoketene-S, S-, N, S-and N, N-acetals: versatile intermediates in organic synthesis H Junjappa, H Ila, CV Asokan Tetrahedron 46 (16), 5423-5506, 1990 | 503 | 1990 |
Heteroannulation of Nitroketene N,S-Arylaminoacetals with POCl3: A Novel Highly Regioselective Synthesis of Unsymmetrical 2,3-Substituted Quinoxalines C Venkatesh, B Singh, PK Mahata, H Ila, H Junjappa Organic letters 7 (11), 2169-2172, 2005 | 176 | 2005 |
Reaction of α-Oxoketene-N,S-arylaminoacetals with Vilsmeier Reagents: An Efficient Route to Highly Functionalized Quinolines and Their Benzo/Hetero-Fused … PK Mahata, C Venkatesh, UK Syam Kumar, H Ila, H Junjappa The Journal of organic chemistry 68 (10), 3966-3975, 2003 | 168 | 2003 |
Regioselective synthesis of 1-aryl-3, 4-substituted/annulated-5-(methylthio) pyrazoles and 1-aryl-3-(methylthio)-4, 5-substituted/annulated pyrazoles S Peruncheralathan, TA Khan, H Ila, H Junjappa The Journal of Organic Chemistry 70 (24), 10030-10035, 2005 | 164 | 2005 |
Ketene-S, S-acetals-V: the reactions of α-keto and α-cyanoketene-S, S-acetals with guanidine and thiourea: a new general synthesis of alkoxy-pyrimidines SMS Chauhan, H Junjappa Tetrahedron 32 (14), 1779-1787, 1976 | 118 | 1976 |
Synthesis and evaluation of pyrazolo [3, 4-b] pyridines and its structural analogues as TNF-α and IL-6 inhibitors SB Bharate, TR Mahajan, YR Gole, M Nambiar, TT Matan, ... Bioorganic & medicinal chemistry 16 (15), 7167-7176, 2008 | 116 | 2008 |
A New Route to Spiropyrrolidinyl-oxindole Alkaloids via Iodide Ion Induced Rearrangement of [(N-Aziridinomethylthio)methylene]-2-oxindoles UK Syam Kumar, H Ila, H Junjappa Organic Letters 3 (26), 4193-4196, 2001 | 110* | 2001 |
An Efficient Highly Regioselective Synthesis of 2,3,4-Trisubstituted Pyrroles by Cycloaddition of Polarized Ketene S,S- and N,S-Acetals with Activated Methylene … NC Misra, K Panda, H Ila, H Junjappa The Journal of Organic Chemistry 72 (4), 1246-1251, 2007 | 107 | 2007 |
Efficient Routes to Pyrazolo[3,4-b]indoles and Pyrazolo[1,5-a]benzimidazoles via Palladium- and Copper-Catalyzed Intramolecular C−C and C−N Bond Formation S Kumar, H Ila, H Junjappa The Journal of Organic Chemistry 74 (18), 7046-7051, 2009 | 101 | 2009 |
A Concise Formal Synthesis of Alkaloid Cryptotackiene and Substituted 6H-Indolo[2,3-b]quinolines GSM Sundaram, C Venkatesh, UK Syam Kumar, H Ila, H Junjappa The Journal of Organic Chemistry 69 (17), 5760-5762, 2004 | 93 | 2004 |
Highly Regioselective Synthesis of 1-Aryl-3 (or 5)-alkyl/aryl-5 (or 3)-(N-cycloamino)pyrazoles S Peruncheralathan, AK Yadav, H Ila, H Junjappa The Journal of Organic Chemistry 70 (23), 9644-9647, 2005 | 91 | 2005 |
Palladium-Catalyzed Intramolecular N-Arylation of Heteroarenes: A Novel and Efficient Route to Benzimidazo[1,2-a]quinolines C Venkatesh, GSM Sundaram, H Ila, H Junjappa The Journal of Organic chemistry 71 (3), 1280-1283, 2006 | 85 | 2006 |
1-(Methyldithiocarbonyl) imidazole: a useful thiocarbonyl transfer reagent for synthesis of substituted thioureas PK Mohanta, S Dhar, SK Samal, H Ila, H Junjappa Tetrahedron 56 (4), 629-637, 2000 | 82 | 2000 |
Novel Route to 2,3-Substituted Benzo[b]thiophenes via Intramolecular Radical Cyclization PP Singh, AK Yadav, H Ila, H Junjappa The Journal of Organic Chemistry 74 (15), 5496-5501, 2009 | 79 | 2009 |
A Facile Access to 2-Methylthio/Alkoxy/Amino-3-acylimidazo[1,2-a]pyridines Based on Cupric Chloride Promoted Oxidative Ring Closure of α-Oxoketene N,S-, N,O … O Barun, H Ila, H Junjappa, OM Singh The Journal of Organic Chemistry 65 (5), 1583-1587, 2000 | 74 | 2000 |
Hydrogen peroxide/boric acid: An efficient system for oxidation of aromatic aldehydes and ketones to phenols A Roy, KR Reddy, PK Mohanta, H Ila, H Junjappat Synthetic communications 29 (21), 3781-3791, 1999 | 69 | 1999 |
Heteroaromatic Annulation of 2-Methyl/2-Cyanomethylbenzimidazole Dianions with α-Oxoketene Dithioacetals: A Highly Regioselective Synthetic Protocol for 1,2- and 2,3 … K Panda, JR Suresh, H Ila, H Junjappa The Journal of Organic Chemistry 68 (9), 3498-3506, 2003 | 63 | 2003 |
Ring annulation with tetrahydroisoquinoline-derived enaminones: highly convergent routes to functionalized pyrrolo [2, 1-a]-and Indolo [2, 1-a] isoquinolines O Barun, S Chakrabarti, H Ila, H Junjappa The journal of organic chemistry 12 (66), 4457-4461, 2001 | 57 | 2001 |
Dipolar Cycloaddition of ethyl isocyanoacetate to 3-Chloro-2-(methylthio)/2-(methylsulfonyl) quinoxalines: highly regio-and chemoselective synthesis of substituted imidazo [1 … GSM Sundaram, B Singh, C Venkatesh, H Ila, H Junjappa The Journal of Organic Chemistry 72 (13), 5020-5023, 2007 | 55 | 2007 |
Highly Diastereoselective [3+2] Cyclopenta[b]annulation of Indoles with2‐Arylcyclopropyl Ketones and Diesters C Venkatesh, PP Singh, H Ila, H Junjappa European journal of organic chemistry 2006 (23), 5378-5386, 2006 | 54 | 2006 |