在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以77%的产率得到methyl (18R,21S)-18-[4-[(2-methylpropan-2-yl)oxycarbonylamino]butyl]-16,19-dioxo-12,26-dioxa-17,20-diazapentacyclo[25.8.0.02,11.03,8.030,35]pentatriaconta-1(27),2(11),3,5,7,9,23,28,30,32,34-undecaene-21-carboxylate