A New and Efficient Approach to Cyclic .beta.-Enamino Esters and .beta.-Enamino Ketones by Iodine-Promoted Cyclization
作者:Helena M. C. Ferraz、Eliseu O. de Oliveira、M. Elena Payret-Arrua、Carlos A. Brandt
DOI:10.1021/jo00127a051
日期:1995.11
Efficient Synthetic Method for β-Enamino Esters Using Ultrasound
作者:Carlos Brandt、Ana da Silva、Camila Pancote、Charles Brito、Maria da Silveira
DOI:10.1055/s-2004-829102
日期:——
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.