2,3,7,8,12,13-trisbenzo-17-methyl-5,10,15-trioxa-17-octadecenyl diazoacetate 在
dirhodium tetraacetate 作用下,
以
二氯甲烷 为溶剂,
生成 (1S*,20S*)-5,6,10,11,15,16-trisbenzo-3,8,13,18-tetroxa-20-methylbicyclo[18.1.0]henicosan-2-one 、 (5S,7R)-7-methyl-3,9,18,27-tetraoxapentacyclo[27.4.0.05,7.011,16.020,25]tritriaconta-1(33),11,13,15,20,22,24,29,31-nonaen-4-one