Tetrahedron letters

“Remote” dianions 5. Synthesis of δ-coniceine

DLC Green, CM Thompsonr

Index: Green, Diana L. C.; Thompson, Charles M. Tetrahedron Letters, 1991 , vol. 32, # 38 p. 5051 - 5054

Full Text: HTML

Citation Number: 22

Abstract

Abstract A total synthesis of (+/-) δ-coniceine from 1, 4-butanediol is herein reported. A pivotal transformation of the synthesis involves the addition of the dianion of 4- (phenylsulfonyl) butanoic acid to an activated imine followed by subsequent cyclization to