Facile cyclization of amidyl radicals generated from N-acyltriazenes
作者:Hongjian Lu、Chaozhong Li
DOI:10.1016/j.tetlet.2005.07.023
日期:2005.9
N-Acyltriazenes serve as a tin-free and initiator-free source for amidylradicals. Thermal decomposition of N,N′-diaryl-N-(4-pentenoyl)triazenes in refluxing toluene led to the formation of monocyclic and tricyclic lactams in satisfactory yields via 5-exoamidylradicalcyclization.