苯乙烯 、
methyl 2-(2-diazo-1,3-dioxohexyl)benzoate 在
dirhodium tetraacetate 、 nickel(II) perchlorate hexahydrate 、 (R)-N,N'-bis(4-methyl-2-quinolylmethylene)-1,1'-binaphthyl-2,2'-diamine 作用下,
以
氯仿 为溶剂,
反应 1.0h,
生成 1-butanoyl-5-methoxy-7-phenyl-8-oxabenzo[c]bicyclo[3.2.1]octan-2-one 、 1-butanoyl-5-methoxy-7-phenyl-8-oxabenzo[c]bicyclo[3.2.1]octan-2-one 、
1-butanoyl-5-methoxy-7-phenyl-8-oxabenzo[c]bicyclo[3.2.1]octan-2-one