benzyl 2-(S)-[(tert-butoxycarbonyl)amino]-5-{bis[2''(S)-(2''',2'''-dimethyl-3'''-(tert-butoxycarbonyl)-4'''-oxazolidin)ethyn-1''-yl]pyridin-3',5'-yl}pent-4-ynoate 在
氢气 、
钯 作用下,
以
甲醇 为溶剂,
反应 96.0h,
以100%的产率得到(S)-5-(3,5-bis(2-((S)-3-(tert-butoxycarbonyl)-2,2-dimethyloxazolidin-4-yl)ethyl)pyridin-4-yl)-2-((tert-butoxycarbonyl)amino)pentanoic acid