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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 22, 1992 - Issue 1
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Original Articles

A Convenient Synthesis of 3-Substituted-5, 5-dimethyl-tetrahydro-2-benzopyran-8-ones Through Hetero-Diels-Alder Reaction

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Pages 97-105 | Received 05 Jul 1991, Published online: 23 Sep 2006
 

Abstract

2-Formyl-4,4-dimethylcyclohexa-2,5-dien-1- one undergoes hetero-Diels-Alder reactions with electron-rich olefins to yield 3-substituted-5,5-dimethyl-3,4,4a,5-tetrahydro-8H-2-benzopyrane-8-ones. The endo addition is favoured.

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