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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 19, 1989 - Issue 5-6
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Original Articles

Addition of Organocuprates to Ketoketenimines. Synthesis of β-enaminoketones

Materesa de la Cal Departamento de Química Orgánica, Universidad de Valladolid, Valladolid, Spain
,
Blanca I. Cristobal Departamento de Química Orgánica, Universidad de Valladolid, Valladolid, Spain
,
Purificación Cuadrado Departamento de Química Orgánica, Universidad de Valladolid, Valladolid, Spain
,
Ana Ma González Departamento de Química Orgánica, Universidad de Valladolid, Valladolid, Spain
&
Fco. J. Pulido Departamento de Química Orgánica, Universidad de Valladolid, Valladolid, Spain
Pages 1039-1045 | Received 27 Sep 1988, Published online: 24 Oct 2006
 
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Abstract

Base-induced ring cleavage of 3-unsubstituted isoxazolium salts followed by reaction of the resulting ketoketenimine with organocuprates affords asymmetric β-enaminoketones in high yields.

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