Irradiation of 12-oxatricyclo[7.2.1.02,8]dodeca-2(8),3,6,10-tetraen-5-ones having one or two bridge-head alkyl substituents in methanol with high pressure Hg lamp gave 6-hydroxy- or 1-alkyl-6-hydroxyazulenes together with 3-acyl- or 1-alkyl-3-acylazulenes as by-products in good combined yields.
在
甲醇中用高压
汞灯照射具有一个或两个桥头烷基取代基的12-氧杂
三环[7.2.1.02,8]十二碳-2(8),3,6,10-四烯-5-酮得到6-羟基-或1-烷基-
6-羟基薁蓝烯与3-酰基-或1-烷基-3-酰基薁蓝烯一起作为副产物,具有良好的组合收率。