Optimizing the ratio of vinyl radical cyclizations through catalysis with diphenyl diselenide
作者:David Crich、Jae-Taeg Hwang、Hui Liu
DOI:10.1016/0040-4039(96)00526-6
日期:1996.4
The 5-exo/6-endo product ratio in the stannane mediated cyclizations of vinyl iodides is very significantly improved by operating in the presence of catalytic PhSeSePh with no loss in overall cyclization yield.