Application of reductive, single electron transfer processes to the generation and cyclization of ω-unsaturated α-amino radicals
作者:Stephen F. Martin、Chih-Ping Yang、William L. Laswell、Heinrich Rüeger
DOI:10.1016/s0040-4039(00)82428-4
日期:——
Subjection of ω-unsaturated iminium salts 1 to dissolving metal reduction with samarium diiodide in the presence of camphorsulfonic acid afforded the corresponding α-amino radicals 2, which underwent facile cyclizationvia a 5-exo mode of closure leading to heterocyclic products of the general type 4.