(2S,10S,10aR)-10-benzoyloxy-5-oxo-9-pent-4-enoyloxymethyl-1,2,3,5,10,10a-hexahydropyrrolo[1,2-b]isoquinolin-2-yl (4'S,5'R)-4'-(2-allyloxyphenyl)-3'-benzoyl-2'-(4-methoxyphenyl)oxazolidine-5-carboxylate 在
对甲苯磺酸 作用下,
以
甲醇 为溶剂,
反应 10.0h,
以82%的产率得到(2S,10S,10aR)-10-benzoyloxy-5-oxo-9-(pent-4-enoyloxymethyl)-1,2,3,5,10,10a-hexahydropyrrolo[1,2-b]isoquinolin-2-yl (2'R,3'S)-3'-(2-allyloxyphenyl)-3'-benzoylamino-2'-hydroxypropanoate