(+/-)-(2R,3S,5R,1'R,2'S)-1-t-butoxycarbonyl-2-(1-acetamido-2-ethyl-2-hydroxy)pentyl-3-(cis-propen-1-yl)-pyrrolidine-5-carboxylic acid t-butyl ester 生成
(+/-)-(2R,3S,5R,1'R,2'S)-2-(1-Acetamido-2-ethyl-2-methoxy)pentyl-3-(cis-propen-1-yl)-pyrrolidine-5-carboxylic Acid Trifluoroacetic Acid Salt