benzyl (4S,6S,13S)-6-[(tert-butoxycarbonyl)amino]-14-methyl-9,15-dioxo-2,11-dioxa-8,14-diazatricyclo[14.3.1.04,8]icosa-1(20),16,18-triene-13-carboxylate 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以97%的产率得到(4S,6S,13S)-6-[(tert-butoxycarbonyl)amino]-14-methyl-9,15-dioxo-2,11-dioxa-8,14-diazatricyclo[14.3.1.04,8]icosa-1(20),16,18-triene-13-carboxylic acid