Items where Author is "Ghosh, Keya"

Article

Ghosh, Keya ; Ghatak, U. R. (2001) A novel route to functionalized linearly benzannulated medium ring carbocyclics through regioselective aryl radical cyclization Journal of the Indian Institute of Science, 81 (3). pp. 239-264. ISSN 0970-4140

Ranu, Brindaban C. ; Guchhait, Sankar K. ; Ghosh, Keya ; Patra, Amarendra (2000) Construction of bicyclo[2.2.2]octanone systems by microwave-assisted solid phase Michael addition followed by Al₂O₃-mediated intramolecular aldolisation. An eco-friendly approach Green Chemistry, 2 (1). pp. 5-6. ISSN 1463-9262

Ghosh, Keya ; Ghatak, Usha Ranjan (1999) Synthetic studies towards complex diterpenoids. Part 20. Total synthesis of the linear abietane o-quinone umbrosone Journal of the Chemical Society, Perkin Transactions 1 (10). pp. 1359-1362. ISSN 0300-922X

Ranu, Brindaban C. ; Guchhait, Sankar K. ; Ghosh, Keya (1998) Chemoselective hydrogenation of α,β-unsaturated sulfones and phosphonates via palladium-assisted hydrogen transfer by ammonium formate The Journal of Organic Chemistry, 63 (15). pp. 5250-5251. 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

Ghosh, Keya ; Ghatak, Usha Ranjan (1995) Regioselective 9-endo aryl radical cyclisation: a new synthetic route to decahydro-5H -dibenzo[a,d] and [a,e]-cyclononenols Tetrahedron Letters, 36 (27). pp. 4897-4900. ISSN 0040-4039

Ghosh, Keya ; Ghatak, Usha Ranjan (1994) First total synthesis of the linear abietane diterpenoid orthoquinone umbrosone Tetrahedron Letters, 35 (32). pp. 5943-5944. ISSN 0040-4039

Ghosh, Keya ; Ghosh, Ajit K. ; Ghatak, Usha Ranjan (1994) Highly regioselective 8-endo-aryl radical cyclisation: a new synthetic route to decahydrodibenzo-[a,d]- and -[a,e]-cyclooctenols Journal of the Chemical Society, Chemical Communications (5). pp. 629-630. ISSN 0022-4936

Ghosh, Ajit K. ; Ghosh, Keya ; Pal, Sitaram ; Ghatak, Usha Ranjan (1993) Highly regioselective 7-endo-aryl radical cyclisation: synthesis of octahydro-2H-dibenzo[a,d]cycloheptenes Journal of the Chemical Society, Chemical Communications (9). pp. 809-811. ISSN 0022-4936