(4Z)-4-NHBoc-18-NBoc-23,26-dichloro-13-oxa-3,5,18,21-tetraazatricyclo[20.2.2.29,12]octacosa-1(24),4,9,11,22,25,27-heptaene-6,8,20-trione 8-(O-ethyloxime) 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 2.0h,
生成 (4E)-4-amino-23,26-dichloro-13-oxa-3,5,18,21-tetraazatricyclo[20.2.2.29,12]-octacosa-1(24),4,9,11,22,25,27-heptaene-6,8,20-trione 8-(O-ethyloxime) trifluoroacetate bistrifluoroacetate