Vicinal phenyl group shift in the lead tetraacetate and related oxidations of 5,5,5-triphenyl-1-pentanol

Article abstract of DOI:10.1016/0040-4020(78)88391-4

In the lead tetraacetate and heavy metal-bromine oxidations of 5,5,5-triphenyl-1-pentanol 1d, the major cyclization product obtained was the rearranged 2,2,3-triphenyltetrahydro-2H-pyran 11d, resulting from homolytic and heterolytic 1,2-phenyl group shift