Article ID Journal Published Year Pages File Type
5213894 Tetrahedron 2015 8 Pages PDF
Abstract

An efficient, mild, cost effective and practical method is presented for generation of esters (RCO2R′) from acids (RCO2H)/ 2-oxoacids (RCOCO2H)/ 2-oxoaldehydes (RCOCHO)/ 2-oxoesters (RCOCO2R″) and alcohols by using oxone as catalyst. In addition to deciphering the scope of our process, we propose a mechanism for esterification through a common intermediate IV. Reaction with 2-oxoacids and 2-oxoaldehydes proceed with initial CO-C cleavage followed by oxone mediated esterification with alcohols. In addition, reaction with 2-oxoesters proceeds through CO-CO bond cleavage and trans-esterification.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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