(4-{[4-(Benzhydrylidene-amino)-phenyl]-tert-butoxycarbonyl-amino}-phenyl)-{4-[tert-butoxycarbonyl-(4-trimethylsilanyl-phenyl)-amino]-phenyl}-carbamic acid tert-butyl ester 在
palladium on activated charcoal ammonium formate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 11.0h,
以95%的产率得到{4-[(4-Amino-phenyl)-tert-butoxycarbonyl-amino]-phenyl}-{4-[tert-butoxycarbonyl-(4-trimethylsilanyl-phenyl)-amino]-phenyl}-carbamic acid tert-butyl ester