Thiol radical addition to alkynes. Sulfanyl radical addition and hydrogen atom abstraction relative reaction rates

Article abstract of DOI:10.1016/S0040-4020(99)00699-7

2-(Toluenesulfanyl)- 1 and 2-(benzenesulfanyl)-phenylacetylene 10 reacted with benzenethiol and toluenethiol, respectively, in the presence of AIBN at 84 and 154°C to give products deriving from vinyl radicals 2 which undergo hydrogen abstraction reaction