(2S,10S,10aR)-9-acetoxymethyl-10-benzoyloxy-5-oxo-1,2,3,5,10,10a-hexahydropyrrolo[1,2-b]isoquinolin-2-yl (4'S,5'R)-3'-benzoyl-2'-(4-methoxy-phenyl)-4'-phenyloxazolidine-5'-carboxylate 在
对甲苯磺酸 作用下,
以
甲醇 为溶剂,
反应 10.0h,
以75%的产率得到(2S,10S,10aR)-9-acetoxymethyl-10-benzoyloxy-5-oxo-1,2,3,5,10,10a-hexahydropyrrolo[1,2-b]isoquinolin-2-yl (2'R,3'S)-3'-benzoylamino-2'-hydroxy-3'-phenylpropanoate