Organocatalytic synthesis of optically active β-branched α-amino esters via asymmetric biomimetic transamination
作者:Cunxiang Su、Ying Xie、Hongjie Pan、Mao Liu、Hua Tian、Yian Shi
DOI:10.1039/c4ob00684d
日期:——
This paper describes an efficient asymmetric biomimetic transamination of alpha-keto esters with a quinine-derived chiral base as the catalyst, giving a variety of beta-branched alpha-amino esters in 50-96% yield and 87-95% ee.