Journal of Organic Chemistry 2003-08-22

Enantioselective Synthesis of L-CCG-I.

Subhash P Chavan, Pallavi Sharma, Rasapalli Sivappa, Mohan M Bhadbhade, Rajesh G Gonnade, Uttam R Kalkote

Index: J. Org. Chem. 68(17) , 6817-9, (2003)

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Abstract

Introduction of natural menthol as the chiral auxiliary in a gamma-Br-alpha,beta-unsaturated ester leads to enantioselective generation of three chiral centers in a single step on reaction with a glycine anion equivalent to provide L-CCG-I in 94% ee.