Direct Catalytic Synthesis of Enantiopure 5-Substituted Oxazolidinones from Racemic Terminal Epoxides
作者:Giuseppe Bartoli、Marcella Bosco、Armando Carlone、Manuela Locatelli、Paolo Melchiorre、Letizia Sambri
DOI:10.1021/ol050675c
日期:2005.5.1
A venerable scaffold for asymmetric synthesis and drug development, chiral 5-substituted oxazolidinones are obtained in almost enantiomerically pure form (up to 99.9% ee) starting from racemic terminal epoxides. The salient features of this process include the very simple and convenient experimental protocol and the employment of a readily accessible catalyst and inexpensive, easily handled starting
作为用于不对称合成和药物开发的古老支架,从外消旋末端环氧化物开始,以几乎对映体纯的形式(高达99.9%ee)获得手性5取代的恶唑烷酮。该方法的显着特征包括非常简单和方便的实验方案,以及使用易于获得的催化剂和廉价,易于处理的原料。还描述了将外消旋环氧化物完全转化为单一立体异构的恶唑烷酮的对映体收敛方法。