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ChemInform Abstract: Reaction of 2,2,6-Trimethyl-4H-1,3-dioxin-4-one with Imines: An Easy Route to Enamides.

✍ Scribed by A. D'ANNIBALE; A. PESCE; S. RESTA; C. TROGOLO

Publisher: John Wiley and Sons
Year: 2010
Weight: 28 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199703126

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✦ Synopsis

Reaction of 2,2,6-Trimethyl-4H-1,3-dioxin-4-one with Imines: An Easy Route to Enamides.

-Thermolysis of the dioxin (I) generates an acylketene which is readily trapped by imines to give the N-alkenyl acetoacetamides (III). They are useful intermediates in oxidative radical cyclizations leading to . beta.-lactams. -(D'

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