Method of preparing (3R,4S)-3-acetamido-4-allyl-n-(tert-butyl)pyrrolidine-3-carboxamide
申请人:CALITHERA BIOSCIENCES, INC.
公开号:US10906872B2
公开(公告)日:2021-02-02
A method is provided to conveniently separate racemic (3R,4S)-3-acetamido-4-allyl-N-(tert-butyl)pyrrolidine-3-carboxamide and (3S,4R)-3-acetamido-4-allyl-N-(tert-butyl)pyrrolidine-3-carboxamide using selective crystallization with chiral carboxylic acids.