A Practical and Efficient Synthesis of α-Diazo Alkynyl Substituted Esters
作者:M. Weingarten、Albert Padwa
DOI:10.1055/s-1997-740
日期:1997.2
An efficient method for the preparation of α-diazo alkynyl substituted esters is described. The key step involves diazo transfer of an α-alkyl substituted alkynyl β-keto ester with p-nitrobenzenesulfonyl azide and DBU.