methyl (R,E)-5-(N-(4-((benzyloxy)methylene)-1-(methoxymethoxy)hexan-2-yl)-2-(1-methyl-1H-indol-3-yl)acetamido)-1,3,4-oxadiazole-2-carboxylate 以
5,5-dimethyl-1,3-cyclohexadiene 为溶剂,
反应 10.0h,
以72%的产率得到methyl (1S,2R,10S,14R,16S,17R,19S)-16-ethyl-14-(methoxymethoxymethyl)-3-methyl-12-oxo-19-phenylmethoxy-18-oxa-3,13-diazahexacyclo[14.2.1.02,10.04,9.010,17.013,17]nonadeca-4,6,8-triene-1-carboxylate