An Easy Palladium-Catalyzed Access to Substituted 3-Methylene-3,4-dihydro-2H-1,5-benzodioxepines

Celine Damez; Jean-Robert Labrosse; Paul Lhoste; Denis Sinou

doi:10.1055/s-2001-16092

SHORTPAPER

An Easy Palladium-Catalyzed Access to Substituted 3-Methylene-3,4-dihydro-2H-1,5-benzodioxepines

Celine Damez, Jean-Robert Labrosse, Paul Lhoste, Denis Sinou*
Laboratoire de Synthèse Asymétrique, UMR CNRS 5622, CPE Lyon, Université Claude Bernard Lyon 1, 43, boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France
Fax: +33(4)72448160; e-Mail: sinou@univ-lyon1.fr;

Abstract

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Abstract

Palladium-catalyzed condensation of substituted benzene-1,2-diols with the biscarbonate of 2-(hydroxymethyl)allyl alcohol gave the corresponding 3-methylene-3,4-dihydro-2H-1,5-benzodioxepines in good yields.

Key words

catalysis - palladium - cyclization - phenols - allyl complexes

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References

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