(+/-)-(2R,3S,5R,1'R,2'R)-1-t-butoxycarbonyl-2-(1-acetamido-2-hydroxy-4-vinyl)butyl-3-(cis-propen-1-yl)-pyrrolidine-5-carboxylic acid t-butyl ester 生成
(+/-)-(2R,3S,5R,1'R,2'R)-1-t-butoxycarbonyl-2-(1-acetamido-2-methoxy-4-vinyl)butyl-3-(cis-propen-1-yl)-pyrrolidine-5-carboxylic acid t-butyl ester