Synthesis of Mannich type products via a three-component coupling reaction
作者:Ghanshyam Pandey、Ravi P. Singh、Ashish Garg、Vinod K. Singh
DOI:10.1016/j.tetlet.2005.01.118
日期:2005.3
The reactions of alkyl nitriles, acetyl chloride, aldehydes and β-ketoesters or simple ketones was studied for the one-potsynthesis of β-acetamido carbonylcompounds. It was observed that the reaction proceeds in the absence of Lewis acids. However, a Lewis acid catalyzes the reaction and several were tested. It was found that whereas Cu(OTf)2 is suitable for the coupling of β-ketoesters with aldehydes