Efficient and practical asymmetric synthesis of the taxol C-13 side chain, N-benzoyl-(2R,3S)-3-phenylisoserine, and its analogs via chiral 3-hydroxy-4-aryl-.beta.-lactams through chiral ester enolate-imine cyclocondensation
作者:Iwao Ojima、Ivan Habus、Mangzhu Zhao、Gunda I. Georg、Lalith R. Jayasinghe
DOI:10.1021/jo00005a003
日期:1991.3
A highly efficient chiral ester enolate-imine condensation giving 3-hydroxy-4-aryl-beta-lactams with > 96% ee is successfully applied to the asymmetric synthesis of the enantiomerically pure taxol C-13 side chain, N-benzoyl-(2R,3S)-3-phenylisoserine, and its analogues.