Abstract:
The invention provides a simple, efficient, environmental friendly catalytic system for the direct carboxylation reaction using C02 under mild condition. A single step heterogeneous catalytic process for preparation of alkynyl carboxylic acids of formula I is disclosed.
Abstract:
The present invention relates to one step room temperature process for the synthesis of azido alcohols from alkenes. More particularly, I2 catalysed a regio and diastereo selective one step room temperature process for the synthesis of 1,2-azido alcohols from alkenes.
Abstract:
The present invention relates to a novel simple, efficient and single-step process for esterification of aldehydes using a heterogeneous catalyst with high yields. More particularly, the present invention relates to a novel simple, efficient and single-step process for esterification of aldehydes using Titanium superoxide with greater than 80% yields.
Abstract:
Novel substituted 5 membered heterocyclic compounds of Formula I are disclosed. The invention further discloses a process for the preparation of compounds of Formula I. The compounds find use as anti mycobacterial agents.
Abstract:
The present invention relates to a novel simple, efficient and single-step process for esterification of aldehydes using a heterogeneous catalyst with high yields. More particularly, the present invention relates to a novel simple, efficient and single-step process for esterification of aldehydes using Titanium superoxide with greater than 80% yields.
Abstract:
The present invention discloses a novel vinylic 3-amino-1,2 diol compounds of formula (I) and a one pot cost-effective process for the synthesis of vinylic-3-amino-1,2-diols of formula (I) which comprises tandem α-amination-benzoyloxyallylation of aldehydes. The invention further discloses use of compounds of formula (I) for the synthesis of phytosphingosine.
Abstract:
Disclosed herein is a novel route of synthesis of syn azide epoxide of formu 5, which is used as a common intermdeiate for asymmetric synthesis of HIV protease inhibitors such as Amprenavir, Fosamprenavir, Saquinavir and formal synthesis of Darunavir and Palinavir obtained by Cobalt- catalyzed hydrolyti kinetic resolution of racemic anti-(2SR, 3SR) - 3 -azido - 4 -phenyl - 1, 2- epoxybutane (azido-epoxide).
Abstract:
The present invention discloses organocatalytic process for asymmetric synthesis of highly enantioselective decanolide compounds in high yield with > 99% ee. Further, the present invention disclose cost effective, improved organocatalytic process for asymmetric synthesis of highly enantioselective decanolides compounds from non-chiral, cheap, easily available raw materials.
Abstract:
The present invention discloses a cheaper and practical protocol for the construction of a wide variety of o-cyanocinnamonitrile and their structural analogues that proceeds with good yields in a single step using CuCN as the only reagent.
Abstract:
The present invention disclosed herein is a novel commercially feasible, one pot synthesis of library of 3-substituted phthalides of formula I via CuCN mediated oxidative cyclization in high yield. Formula I