Electron Transfer in the Reactions of Geminal Dihalides with Ph2P(-). Evidence for the Formation of a Carbene Intermediate from a Radical Precursor

Article abstract of DOI:10.1021/jo00127a014

The reactions of two sterically hindered geminal dihalides, 6,6-dichloro-5,5-dimethyl-1-hexene (5a) and 6,6-diiodo-5,5-dimethyl-1-hexene (5b), with Ph2P(-) have been found to involve a single electron transfer (SET) pathway.Since the corresponding monochl