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J Am Chem Soc. 2004 Sep 22;126(37):11440-1.

Decarboxylative aldol reactions of allyl beta-keto esters via heterobimetallic catalysis.

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  • 1Department of Chemistry, Metcalf Center for Science and Engineering, Boston University, 590 Commonwealth Avenue, Boston, MA 02215, USA.

Abstract

Mild and selective heterobimetallic-catalyzed decarboxylative aldol reactions involving allyl beta-keto esters have been developed. The reaction is promoted by Pd(0)- and Yb(III)-DIOP complexes at room temperature and involves the in situ formation of a ketone enolate from allyl beta-keto esters followed by addition of the enolate to aldehydes. The reaction is a new example of heterobimetallic catalysis in which the optimized reaction conditions require the addition of both metals.

PMID:
15366881
[PubMed]
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