Certain optically active mono esters of dicarboxylic acids
申请人:Shionogi & Co., Ltd.
公开号:US05047574A1
公开(公告)日:1991-09-10
Optically active mono-esters of dicarboxylic acid of the formula III: ##STR1## being useful as intermediates for preparing optically active natural products or medicines; asymmetric synthesis process for preparing thereof being characterized by the reaction of an acid anhydride with an (R)- or (S)-arylacetic acid derivative; and the key substances therefor are also claimed.