Items where Author is "Chakrabarty, Sephali"

Article

Chakraborti, Asit K. ; Ray, Jayanta K. ; Kundu, Kalyan K. ; Chakrabarty, Sephali ; Mukherjee, Debabrata ; Ghatak, Usha Ranjan (1984) Regioselectivity in the intramolecular carbon-hydrogen insertion in metal-catalysed decomposition of some cis-1-methyl-3-arylcyclohexyl diazomethyl ketones. A highly efficient homogeneous nickel catalyst for carbenoid insertion Journal of the Chemical Society, Perkin Transactions 1 (2). pp. 261-273. ISSN 0300-922X

Ghatak, Usha R. ; Chakrabarty, Sephali (1976) Synthetic studies toward complex diterpenoids. IX. New stereocontrolled synthetic route to some intermediates for diterpenoid alkaloids and C20 gibberellins Journal of Organic Chemistry, 41 (7). pp. 1089-1094. ISSN 0022-3263

Ghatak, Usha R. ; Ray, Jayanta K. ; Chakrabarty, Sephali (1976) Condensed cyclic and bridged-ring systems. Part V. Application of the interamolecular oxo-carbenoid insertion reaction to the preparation of two new bridged-ring ketones Journal of the Chemical Society, Perkin Transactions 1 (18). pp. 1975-1976. ISSN 0300-922X

Chakrabarty, Sephali ; Ray, Jayanta K. ; Mukherjee, Debabrata ; Ghatak, Usha R. (1975) Regioselective intramolecular carbon-hydrogen insertion in copper-catalyzed carbenoid decompositions of cis-1-methyl-3-arylcyclohexane-1-diazomethyl ketones : some synthetic applications Synthetic Communications, 5 (4). pp. 275-281. ISSN 0039-7911

Ghatak, Usha R. ; Chakrabarty, Sephali ; Rudra, Kalpana (1974) Synthetic studies towards complex diterpenoids. Part VIII. Stereo-controlled synthesis of (±)-2-methoxy-11β-methyl-4bαH-gibba-1(10a),2,4-trien-8-one and related compounds through intramolecular alkylations of γδ-unsaturated α'-diazomethyl ketones Journal of the Chemical Society, Perkin Transactions 1 . pp. 1957-1961. ISSN 0300-922X

Ghatak, U. R. ; Chakrabarty, Sephali (1972) Angular alkylation through intramolecular carbenoid insertion. New stereocontrolled route to synthetic intermediates to the diterpene alkaloids and C20 -gibberellins Journal of American Chemical Society, 94 (13). pp. 4756-4758. ISSN 0002-7863