2-Allyl-6-methyl-3-oxo-hept-6-enoic acid (1S,2R,3S,4S)-4,7,7-trimethyl-3-naphthalen-2-yl-bicyclo[2.2.1]hept-2-yl ester 在
copper diacetate 、 manganese triacetate 作用下,
以
溶剂黄146 为溶剂,
以87%的产率得到(1S,5R)-5-Methyl-6-methylene-2-oxo-bicyclo[3.2.1]octane-1-carboxylic acid (1S,2R,3S,4S)-4,7,7-trimethyl-3-naphthalen-2-yl-bicyclo[2.2.1]hept-2-yl ester