以
5,5-dimethyl-1,3-cyclohexadiene 为溶剂,
反应 12.0h,
以98%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