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-p-chlorophenyl-vinyl)-pyrrolidine-1-carboxylic acid tert-butyl ester 生成
(2S)-1-{(5R,S)-5-(2-(4-chlorophenyl)ethyl)-L-prolyl}pyrrolidine-2-carbonitrile