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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 15, 1985 - Issue 7
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Original Articles

The Reaction of Silyl Enol Ethers With Ethyl Azodicarboxylate and 4-Phenyl-1,2,4-Triazoline-3,5-Dione

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Pages 649-655 | Published online: 05 Dec 2006
 

Abstract

The ene-type reaction between silyl enol ethers and azodiesters yields α-keto 4-phenyl 1,2,4 triazolidine-3,5-dione in the case of 1,2,4-triazoline-3,5-dione. and α-keto dicarbo-ethoxyhydrazides in the case of diethyl azodicarboxylate. These reactions proceed in qcod yield and offer potential routes to α-nitrogen substituted ketones.

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