Efficient Synthetic Method for β-Enamino Esters Using Ultrasound

Carlos A. Brandt; Ana Cláudia M. P. da Silva; Camila G. Pancote; Charles L. Brito; Maria A. B. da Silveira

doi:10.1055/s-2004-829102

SHORTPAPER

Efficient Synthetic Method for β-Enamino Esters Using Ultrasound

Carlos A. Brandt*^a, Ana Cláudia M. P. da Silva^b, Camila G. Pancote^b, Charles L. Brito^b, Maria A. B. da Silveira^b
^a Instituto Butantan, Av. Vital Brazil, 1500, 05503-900, São Paulo, SP, Brazil
Fax: +55(11)38154418; e-Mail: cabrandt@usp.br;
^b Departamento de Farmácia, Universidadede São Paulo, São Paulo, SP, Brazil

Abstract

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Abstract

β-Keto esters react with a variety of amines in the presence of 0.1 equivalents of acetic acid without any solvents under ultrasound to give good yields of the corresponding β-enamino esters.

Keywords

ultrasound - β-enamino esters - β-keto esters - amines

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Referenzen

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