ethyl 54,54-dimethyl-4,12,20,28,36,44,52-heptaoxo-5,8,13,16,21,24,29,32,37,40,45,48,53-tridecaoxa-3,11,19,27,35,43,51-heptaazapentapentacontan-1-oate 、
氢氧化锂 在
四氢呋喃 、
盐酸 、
二氯甲烷 、
magnesium sulfate 、 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[(2-Methylpropan-2-yl)oxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]acetic acid 作用下,
以
四氢呋喃 为溶剂,
反应 0.67h,
以The target compound 54,54-dimethyl-4,12,20,28,36,44,52-heptaoxo-5,8,13,16,21,24,29,32,37,40,45,48,53-tridecaoxa-3,11,19,27,35,43,51-heptaaza-1-pentapentacontanoic acid (Compound 14, 2.3 g, 99.1%) was yielded的产率得到2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[(2-Methylpropan-2-yl)oxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]ethoxy]ethoxycarbonylamino]acetic acid