(2E,7E)-9-Isopropyl-2-methyl-6-methylene-cyclodeca-2,7-dienone 在
potassium tert-butylperoxide 作用下,
以
四氢呋喃 为溶剂,
生成 (1S,4S,5E,10R)-1-methyl-7-methylidene-4-propan-2-yl-11-oxabicyclo[8.1.0]undec-5-en-2-one 、 (1R,4S,5E,10S)-1-methyl-7-methylidene-4-propan-2-yl-11-oxabicyclo[8.1.0]undec-5-en-2-one