氮 、 2-(Trimethylsilyl)ethyl N-[(2,2-dimethylhex-5-en-1-yl)oxy]carbonyl-3-methyl-L-valyl-(4R)-4-{[(1-methyl-4-vinyl-1H-indol-2-yl)carbonyl]oxy}-L-prolinate 在
氮 、 SiO2 作用下,
以
二氯甲烷 为溶剂,
反应 22.0h,
以to yield the title compound as a yellow oil (259 mg)的产率得到2-(Trimethylsilyl)ethyl (5R,7S)-15,15,24-trimethyl-3,9,12-trioxo-6,7,9,10,11,12,14,15,16,17-decahydro-3H,5H-2,23-epimino-5,8-methano-4,13,8,11-benzodioxadiazacyclo henicosine-7-carboxylate