(S)-[(S)-2-{(R)-2-(4-Benzyloxy-phenyl)-2-[(R)-2-tert-butoxycarbonylamino-2-(4-hydroxy-3,5-diiodo-phenyl)-acetylamino]-acetylamino}-3-(3,5-dichloro-4-hydroxy-phenyl)-propionylamino]-(3,5-dimethoxy-phenyl)-acetic acid methyl ester 在
thallium(III) nitrate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
以40%的产率得到methyl (S)-2-((5S,8R,11R)-8-(4-(benzyloxy)phenyl)-11-((tert-butoxycarbonyl)amino)-32,36-dichloro-16-hydroxy-15-iodo-7,10-dioxo-2-oxa-6,9-diaza-1(1,3),3(1,4)-dibenzenacycloundecaphane-5-carboxamido)-2-(3,5-dimethoxyphenyl)acetate