1-bromo-5-isopropylcyclopentene 、
4,4-dimethyl-8-methylenebicyclo<4.2.0>octan-2-one 生成 (1S,2S,6S)-2-((S)-5-Isopropyl-cyclopent-1-enyl)-4,4-dimethyl-8-methylene-bicyclo[4.2.0]octan-2-ol 、 (1S,2S,6S)-2-((R)-5-Isopropyl-cyclopent-1-enyl)-4,4-dimethyl-8-methylene-bicyclo[4.2.0]octan-2-ol