carbonochloridoyloxymethyl (2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoate 、 C
23H
29N
5O
7 在
吡啶 、
三甲基氯硅烷 作用下,
反应 2.5h,
生成 [3-[(2R,3R,4R,5R)-3-hydroxy-3-methyl-4-(2-methylpropanoyloxy)-5-(2-methylpropanoyloxymethyl)oxolan-2-yl]-10-oxo-3,5,7,9-tetrazatricyclo[6.4.1.04,13]trideca-1,4(13),5,8,11-pentaen-12-yl]carbamoyloxymethyl (2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoate