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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 16, 1986 - Issue 10
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Original Articles

A Convenient Procedure for Carboxylation—Robinson Annulations of Ketones Using Triethylamine Base in the Presence of Magnesium Chloride

Richard S. Olsen Department of Chemistry, Michigan State University East Lansing, Michigan, 48824, U.S.A.
,
Zakaria A. Fataftah Department of Chemistry, Michigan State University East Lansing, Michigan, 48824, U.S.A.
&
Michael W. Rathke Department of Chemistry, Michigan State University East Lansing, Michigan, 48824, U.S.A.
Pages 1133-1139 | Published online: 05 Dec 2006
 
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Abstract

Carboxylation of ketones with carbon dioxide in the presence of magnesium chloride and triethylamine followed by reaction with methyl vinyl ketone gives satisfactory yields of Michael and Robinson annulation products.

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