2-undec-10-enylbenzoic acid 在
bis(collidine)bromine(I) hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
生成 7-bromomethyl-7,8,9,10,11,12,13,14,15,16-decahydro-6-oxabenzocyclotetradecen-5-one 、 8-bromo-8,9,10,11,12,13,14,15,16,17-decahydro-7(H)-6-oxabenzocyclopentadecen-5-one