Boronic acid/Brønsted acid co-catalyst systems for the synthesis of 2H-chromenes from phenols and α,β-unsaturated carbonyls

Author:

Dimakos Victoria1234,Singh Tishaan1234,Taylor Mark S.1234

Affiliation:

1. Department of Chemistry

2. University of Toronto

3. Toronto

4. Canada

Abstract

Combinations of boronic acids and Brønsted acids showing optimal co-catalytic activity for condensations of enals or enones with phenols have been identified, enabling an efficient synthesis of 2H-chromenes.

Funder

Natural Sciences and Engineering Research Council of Canada

Canada Foundation for Innovation

Publisher

Royal Society of Chemistry (RSC)

Subject

Organic Chemistry,Physical and Theoretical Chemistry,Biochemistry

Reference65 articles.

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2. B. van Gemert , Organic Photochromic and Thermochromic Compounds, ed. J. C. Crano and R. Guglielmetti, Plenum Press, New York, 1999, vol. 1, pp. 111–140

3. J. D. Hepworth , Comprehensive Heterocyclic Chemistry, ed. A. R. Katrizky and C. W. Rees, Pergamon Press, Oxford, 1984, vol. 3, pp. 737–882

4. Synthesis of 2,2-Dimethyl-2H-chromenes

5. Catalytic Synthesis of 2H-Chromenes

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