2-(2-(s)-Cyano-pyrrolidine-1-carbonyl)-5-(r/s)-(2-m-tolyl-vinyl)-pyrrolidine-1-carboxylic acid tert-butyl ester 、 2-(2-(s)-Cyano-pyrrolidine-1-carbonyl)-5-(r/s)-(2-phenyl-vinyl)-pyrrolidine-1-carboxylic acid tert-butyl ester 生成
(2S)-1-((5R/S)-5-(2-phenylethyl)-L-prolyl)pyrrolidine-2-carbonitrile