An efficient synthesis of cis-3-hydroxy-4-phenyl-β-lactams: Precursor for taxol side chain
作者:V. Srirajan、A.R.A.S. Deshmukh、B.M. Bhawal
DOI:10.1016/0040-4020(96)00200-1
日期:1996.4
precursors derived from naturally occurring (+)-3-carene have been used for the synthesis of β-lactams via the Staudinger reaction. The major diastereomer 5a was separated by crystallization and converted in very good yield into (3R, 4S)-3-hydroxy-4-phenyl-β-lactam, an advanced intermediate towards the taxol side chain.
衍生自天然(+)-3-胡萝卜素的手性乙烯酮前体已用于通过Staudinger反应合成β-内酰胺。通过结晶分离出主要的非对映异构体5a,并以非常高的收率将其转化为(3 R,4 S)-3-羟基-4-苯基-β-内酰胺,一种向紫杉醇侧链的高级中间体。