3-(6(R)-methyl-5-oxo-4-oxa-tricyclo[5.2.1.02,6]dec-8-en-3(S)-yloxymethylene)-3,3a(R),4,5,6,7,8,8b(S)-octahydroindeno[1,2-b]furan-2-one 以
邻二氯苯 为溶剂,
反应 6.0h,
以42%的产率得到3-(4-methyl-5-oxo-2,5-dihydrofuran-2(S)-yloxymethylene)-3,3a(R),4,5,6,7,8,8b(S)-octahydroindeno[1,2-b]furan-2-one