Article ID Journal Published Year Pages File Type
5275487 Tetrahedron Letters 2008 4 Pages PDF
Abstract

A mild protocol for transesterification of simple esters is described. The method is based on the use of t-BuNH2/ROH (R = Me, Et, i-Pr, t-Bu) with or without LiBr. The scope of the procedure was explored for aliphatic and aromatic esters. The protocol is particularly useful when going from higher to lower hindered esters and harsh reaction conditions are needed for the reversal process. A rationalization of the mechanism is presented. The scope and limitation of this transformation are also described.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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