Substituent effects on 2-aza-5-hexynyl radical cyclization regiochemistry
作者:Joong-Kwon Choi、David J. Hart、Yeun-Min Tsai
DOI:10.1016/s0040-4039(00)85708-1
日期:1982.1
Cyclizations of several N-acyl-2-aza-5-hexynyl radicals are described. The regiochemical course of these cyclizations depend on the nature of substituents at the alkyne terminus.