Photoredox Approach to <i>N</i>-Acyl-<i>N′</i>-aryl-<i>N</i>,<i>N′</i>-aminals Using Enamides and Their Conversion to γ-Lactams
作者:Olusesan K. Koleoso、Mark R. J. Elsegood、Simon J. Teat、Marc C. Kimber
DOI:10.1021/acs.orglett.7b03946
日期:2018.2.16
A photoredox catalytic approach to synthetically valuable N-acyl-N′-aryl-N,N′-aminals is described. This method uses the addition of a radical precursor to enamides, with subsequent interception of the cationic iminium intermediate with an arylamine. The reaction has been shown to be compatible with electron-rich and electron-deficient arylamines, and moderate to good levels of diastereoselectivity