An asymmetric synthesis of 2,4-dimethylvalerolactone and mevalonolactone using chiral binaphtyldiamine derivatives
作者:Yukio Kawakami、Jun Hiratake、Yukio Yamamoto、Jum'ichi Oda
DOI:10.1039/c39840000779
日期:——
Axially dissymmetric binaphthyldiamine derivatives formed by asymmetric ring opening of the cyclic anhydrides (3) and (4) ring close on hydrolysis to give (–)-trans-2,4-dimethylvalerolactone with 74% e.e.