Items where Author is "Jana, Umasish"

Article

Ranu, Brindaban C. ; Hajra, Alakananda ; Dey, Suvendu S. ; Jana, Umasish (2003) Efficient microwave-assisted synthesis of quinolines and dihydroquinolines under solvent-free conditions Tetrahedron, 59 (6). pp. 813-819. ISSN 0040-4020

Ranu, Brindaban C. ; Hajra, Alakananda ; Jana, Umasish (2000) 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 The Journal of Organic Chemistry, 65 (19). pp. 6270-6272. ISSN 0022-3263

Ranu, Brindaban C. ; Hajra, Alakananda ; Jana, Umasish (2000) Microwave-assisted simple synthesis of quinolines from anilines and alkyl vinyl ketones on the surface of silica gel in the presence of indium(III) chloride Tetrahedron Letters, 41 (4). pp. 531-533. ISSN 0040-4039

Ranu, Brindaban C. ; Hajra, Alakananda ; Jana, Umasish (2000) Microwave-assisted synthesis of substituted pyrroles by a three-component coupling of α,β-unsaturated carbonyl compounds, amines and nitroalkanes on the surface of silica gel Synlett, 2000 (1). pp. 75-76. ISSN 0936-5214

Ranu, Brindaban C. ; Jana, Umasish (1999) A new redundant rearrangement of aromatic ring fused cyclic α-hydroxydithiane derivatives. Synthesis of aromatic ring fused cyclic 1,2-diketones with one-carbon ring expansion The Journal of Organic Chemistry, 64 (17). pp. 6380-6386. ISSN 0022-3263

Ranu, Brindaban C. ; Jana, Umasish ; Majee, Adinath (1999) A simple and efficient method for selective deprotection of t-butyldimethylsilyl ethers by zinc tetrafluoroborate in water Tetrahedron Letters, 40 (10). pp. 1985-1988. ISSN 0040-4039

Ranu, Brindaban C. ; Hajra, Alakananda ; Jana, Umasish (1999) General procedure for the synthesis of α-amino phosphonates from aldehydes and ketones using indium(III) chloride as a catalyst Organic Letters, 1 (8). pp. 1141-1143. ISSN 1523-7060

Ranu, Brindaban C. ; Jana, Umasish ; Majee, Adinath (1999) Selective monoacylation of ferrocene. An eco-friendly procedure on the solid phase of alumina Green Chemistry, 1 (1). pp. 33-34. ISSN 1463-9262

Ranu, Brindaban C. ; Jana, Umasish (1998) Indium(III) chloride-promoted rearrangement of epoxides: a selective synthesis of substituted benzylic aldehydes and ketones The Journal of Organic Chemistry, 63 (23). pp. 8212-8216. ISSN 0022-3263

Ranu, Brindaban C. ; Ghosh, Keya ; Jana, Umasish (1996) Simple and improved procedure for regioselective acylation of aromatic ethers with carboxylic acids on the solid surface of alumina in the presence of trifluoroacetic anhydride The Journal of Organic Chemistry, 61 (26). pp. 9546-9547. ISSN 0022-3263