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Results: 1-19 |
Results: 19
An expedient route to 2,3-substituted and fused benzo[a]quinolizine-4-thione framework via ring annulation with beta-oxodithioesters
Authors: Roy, A Nandi, S Ila, H Junjappa, T
Citation: A. Roy et al., An expedient route to 2,3-substituted and fused benzo[a]quinolizine-4-thione framework via ring annulation with beta-oxodithioesters, ORG LETT, 3(2), 2001, pp. 229-232
A new 1,5-to 1,11-carbonyl transposition protocol involving ketene dithioacetal chemistry: an efficient polyene synthesis
Authors: Asokan, CV Shukla, J Kumar, UKS Ila, H Junjappa, H
Citation: Cv. Asokan et al., A new 1,5-to 1,11-carbonyl transposition protocol involving ketene dithioacetal chemistry: an efficient polyene synthesis, I J CHEM B, 40(10), 2001, pp. 937-947
A new general method for the synthesis of polyenes involving 1,6-, 1,8-, 1,10-and 1,12-carbonyl group transpositions via alpha-oxoketene dithioacetals
Authors: Satyanarayana, J Siddiqui, I Ila, H Junjappa, H
Citation: J. Satyanarayana et al., A new general method for the synthesis of polyenes involving 1,6-, 1,8-, 1,10-and 1,12-carbonyl group transpositions via alpha-oxoketene dithioacetals, I J CHEM B, 40(10), 2001, pp. 948-954
Aromatic and heteroaromatic annelation studies on 3-[bis(methylthio)methylene]-1-methyloxindole: synthesis of carbazoles and an efficient route to pyrido[2,3-b]indoles
Authors: Suresh, JR Kumar, UKS Ila, H Junjappa, H
Citation: Jr. Suresh et al., Aromatic and heteroaromatic annelation studies on 3-[bis(methylthio)methylene]-1-methyloxindole: synthesis of carbazoles and an efficient route to pyrido[2,3-b]indoles, TETRAHEDRON, 57(4), 2001, pp. 781-789
Studies on regioselective addition of benzylic organometallics to alpha-oxoketene dithioacetals in our aromatic annelation protocol
Authors: Ila, H Junjappa, H Barun, O
Citation: H. Ila et al., Studies on regioselective addition of benzylic organometallics to alpha-oxoketene dithioacetals in our aromatic annelation protocol, J ORGMET CH, 624(1-2), 2001, pp. 34-40
Domino carbocationic rearrangement of alpha-[bis(methylthio)methylene]alkyl-2-arylcyclopropyl carbinols: Facile access to 1-arylindanes
Authors: Mohanta, PK Peruncheralathan, S Ila, H Junjappa, H
Citation: Pk. Mohanta et al., Domino carbocationic rearrangement of alpha-[bis(methylthio)methylene]alkyl-2-arylcyclopropyl carbinols: Facile access to 1-arylindanes, J ORG CHEM, 66(4), 2001, pp. 1503-1508
Ring annulation with tetrahydroisoquinoline-derived enaminones: Highly convergent routes to functionalized pyrrolo[2,1-a]- and indolo[2,1-a]isoquinolines
Authors: Barun, O Chakrabarti, S Ila, H Junjappa, H
Citation: O. Barun et al., Ring annulation with tetrahydroisoquinoline-derived enaminones: Highly convergent routes to functionalized pyrrolo[2,1-a]- and indolo[2,1-a]isoquinolines, J ORG CHEM, 66(12), 2001, pp. 4457-4461
Formation of acetaldehyde enolate from vinyl acetate and its reaction witharomatic and heterocyclic aldehydles: An efficient synthesis of enals and polyenals
Authors: Mahata, PK Barun, O Ila, H Junjappa, H
Citation: Pk. Mahata et al., Formation of acetaldehyde enolate from vinyl acetate and its reaction witharomatic and heterocyclic aldehydles: An efficient synthesis of enals and polyenals, SYNLETT, (9), 2000, pp. 1345-1347
An efficient general synthesis of novel functionalized tetrahydroisoquinoline derived enamines via polarized ketene N,S-acetals
Authors: Barun, O Mohanta, PK Ila, H Junjappa, H
Citation: O. Barun et al., An efficient general synthesis of novel functionalized tetrahydroisoquinoline derived enamines via polarized ketene N,S-acetals, SYNLETT, (5), 2000, pp. 653-657
Lewis acid-induced rearrangment of alpha-[bis(methylthio)methylene]ethyl-2-styrylcyclopropylcarbinols: unexpected formation of a novel bicyclo[3.2.1]octadiene framework
Authors: Kumar, UKS Patra, PK Ila, H Junjappa, H Bharadwaj, PK
Citation: Uks. Kumar et al., Lewis acid-induced rearrangment of alpha-[bis(methylthio)methylene]ethyl-2-styrylcyclopropylcarbinols: unexpected formation of a novel bicyclo[3.2.1]octadiene framework, J CHEM S P1, 10, 2000, pp. 1547-1550
alpha-oxoketene dithioacetals mediated benzoannelation of aromatic heterocycles: An efficient regiocontrolled synthesis of highly substituted and polycyclic benzo[b]thiophenes
Authors: Suresh, JR Barun, O Ila, H Junjappa, H
Citation: Jr. Suresh et al., alpha-oxoketene dithioacetals mediated benzoannelation of aromatic heterocycles: An efficient regiocontrolled synthesis of highly substituted and polycyclic benzo[b]thiophenes, TETRAHEDRON, 56(41), 2000, pp. 8153-8160
1-(methyldithiocarbonyl)imidazole: a useful thiocarbonyl transfer reagent for synthesis of substituted thioureas
Authors: Mohanta, PK Dhar, S Samal, SK Ila, H Junjappa, H
Citation: Pk. Mohanta et al., 1-(methyldithiocarbonyl)imidazole: a useful thiocarbonyl transfer reagent for synthesis of substituted thioureas, TETRAHEDRON, 56(4), 2000, pp. 629-637
A facile synthesis of 3-cyclopropyl- and 5-cyclopropyl- isoxazoles
Authors: Singh, OM Junjappa, H Ila, H
Citation: Om. Singh et al., A facile synthesis of 3-cyclopropyl- and 5-cyclopropyl- isoxazoles, J CHEM R-S, (6), 1999, pp. 398-399
Anionic [4+2] cycloaddition reactions of dihydropyrazolin-5-one dienolate with dienophiles: a novel approach for substituted and fused indazolones
Authors: Roy, A Reddy, KR Ila, H Junjappa, H
Citation: A. Roy et al., Anionic [4+2] cycloaddition reactions of dihydropyrazolin-5-one dienolate with dienophiles: a novel approach for substituted and fused indazolones, J CHEM S P1, (20), 1999, pp. 3001-3004
An expeditious synthesis of substituted and annelated pyrido[2,3-b]indoles
Authors: Barun, O Patra, PK Ila, H Junjappa, H
Citation: O. Barun et al., An expeditious synthesis of substituted and annelated pyrido[2,3-b]indoles, TETRAHEDR L, 40(19), 1999, pp. 3797-3800
Highly regioselective 1,2-addition of alkoxybenzyl Grignard reagents to alpha-oxoketene dithioacetals: A facile regiocontrolled synthesis of alkoxynaphthalenes and their condensed analogs via aromatic annelation
Authors: Mehta, BK Nandi, S Ila, H Junjappa, H
Citation: Bk. Mehta et al., Highly regioselective 1,2-addition of alkoxybenzyl Grignard reagents to alpha-oxoketene dithioacetals: A facile regiocontrolled synthesis of alkoxynaphthalenes and their condensed analogs via aromatic annelation, TETRAHEDRON, 55(44), 1999, pp. 12843-12852
Synthesis and reactions of 2-bis(methylthio)methylene-1-methyl-3-oxoindole: A facile access to benzo- and heterocyclo-fused carbazoles and indoles
Authors: Rao, MVB Kumar, UKS Ila, H Junjappa, H
Citation: Mvb. Rao et al., Synthesis and reactions of 2-bis(methylthio)methylene-1-methyl-3-oxoindole: A facile access to benzo- and heterocyclo-fused carbazoles and indoles, TETRAHEDRON, 55(38), 1999, pp. 11563-11578
Preparation of lithium 5-lithiomethyl-3-methylpyrazole-1-carboxylate and its reaction with alpha-oxoketene dithioacetals: A new general method for substituted and annelated pyrazolo[1,5-a] pyridines
Authors: Kishore, K Reddy, KR Suresh, JR Ila, H Junjappa, H
Citation: K. Kishore et al., Preparation of lithium 5-lithiomethyl-3-methylpyrazole-1-carboxylate and its reaction with alpha-oxoketene dithioacetals: A new general method for substituted and annelated pyrazolo[1,5-a] pyridines, TETRAHEDRON, 55(24), 1999, pp. 7645-7652
Hydrogen peroxide/boric acid: An efficient system for oxidation of aromatic aldehydes and ketones to phenols
Authors: Roy, A Reddy, KR Mohanta, PK Ila, H Junjappa, H
Citation: A. Roy et al., Hydrogen peroxide/boric acid: An efficient system for oxidation of aromatic aldehydes and ketones to phenols, SYN COMMUN, 29(21), 1999, pp. 3781-3791
Risultati: 1-19 |