tert-butyl N-[(2S)-4-azido-1-[[(2R)-1-[[(1S)-1-(3-ethynyl-4-methoxyphenyl)-2-(methylamino)-2-oxoethyl]amino]-1-oxopropan-2-yl]amino]-1-oxobutan-2-yl]carbamate 在
tetrakis(actonitrile)copper(I) hexafluorophosphate 作用下,
以
甲醇 、
甲苯 为溶剂,
反应 24.0h,
以19%的产率得到tert-butyl N-[(8S,11R,14S,26S,29R,32S)-18,36-dimethoxy-11,29-dimethyl-14,32-bis(methylcarbamoyl)-26-[(2-methylpropan-2-yl)oxycarbonylamino]-9,12,27,30-tetraoxo-3,4,5,10,13,21,22,23,28,31-decazapentacyclo[31.3.1.12,5.115,19.120,23]tetraconta-1(36),2(40),3,15(39),16,18,20(38),21,33(37),34-decaen-8-yl]carbamate