S. Chakrabarty

Synthetic studies toward complex diterpenoids. IX. New stereocontrolled synthetic route to some intermediates for diterpenoid alkaloids and C20 gibberellins

U. Ghatak, S. Chakrabarty, 1976 .

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

A. Chakraborti, J. Ray, U. Ghatak, 1984 .

Regioselective intramolecular carbon-hydrogen insertion in copper-catalyzed carbenoid decompositions of cis-1-methyl-3-arylcyclohexane-1-diazomethyl ketones : some synthetic applications

J. Ray, U. Ghatak, D. Mukherjee, 1975 .

Angular alkylation through intramolecular carbenoid insertion. New stereocontrolled route to synthetic intermediates to the diterpene alkaloids and C20 -gibberellins

U. Ghatak, S. Chakrabarty, 1972 .

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

J. Ray, U. Ghatak, S. Chakrabarty, 1976 .

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

U. Ghatak, S. Chakrabarty, Kalpana Rudra, 1974 .