Synthesis 2007(1): 61-64  
DOI: 10.1055/s-2006-950357
PAPER
© Georg Thieme Verlag Stuttgart · New York

Hexamethylenetetramine-Mediated Transesterification of β-Keto Esters

Rodrigo S. Ribeiroa, Rodrigo O. M. A. de Souzaa, Mário L. A. A. Vasconcellosb, Bianca L. Oliveiraa, Leonardo C. Ferreiraa, Lúcia C. S. Aguiar*a
a Núcleo de Pesquisa de Produtos Naturais, Universidade Federal do Rio de Janeiro, CCS, Laboratório H1-29, Rio de Janeiro, 21941-590, Brasil
Fax: +55(21)25626512; e-Mail: lcsequeira@nppn.ufrj.br;
b Departamento de Química, Universidade Federal da Paraíba, Campus I, João Pessoa, PB, 58059-900, Brasil
Further Information

Publication History

Received 21 August 2006
Publication Date:
06 November 2006 (online)

Abstract

Treatment of methyl or ethyl β-keto esters with primary, secondary, or tertiary alcohols in the presence of a catalytic amount of hexamethylenetetramine results in good to high yields of the corresponding esters.