Preparation of benxobicyclo [4.1. 0] hept-&ene, and a study of its light-initiated free-radical bromination using AY-bromosuccinimide in carbon tetrachloride, is reported. Also, an investigation of the free-radical tri-n-butyltin hydride reduction of 2-bromomethyl-l, Qdihydronaphthalene was carried out. In both the bromination and tin hydride reduction studies in the benxobicyclo [4.1. 0] heptenyl system, examination of the product ...