Diastereoselective introduction of an EtO2CCF2-group into chiral imide enolates mediated by triethylborane
作者:Katsuhiko Iseki、Daisuke Asada、Mie Takahashi、Takabumi Nagai、Yoshiro Kobayashi
DOI:10.1016/0040-4039(94)85324-x
日期:1994.10
The introduction of an EtO2CCF2- group into lithium enolates of chiral N-acyloxazolidinones with ethyl difluoroiodoacetate mediated by triethylborane proceeds with good diastereomeric excess (86->98% de).
在三乙基硼烷介导的二氟碘乙酸乙酯的作用下,将EtO 2 CCF 2-基引入手性N-酰基恶唑烷酮的烯醇锂中,其非对映异构体过量率较高(86-> 98%de)。