4.4 Article

Reactions of 2-hydroxyaryl-α,β-unsaturated ketones with dimethylsulfonium carbonylmethylides: a new and facile diastereoselective synthesis of 2,3-disubstituted dihydrobenzofurans

Journal

TETRAHEDRON
Volume 65, Issue 19, Pages 3918-3924

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2009.02.041

Keywords

2-Hydroxyaryl-alpha,beta-unsaturated ketones; Dimethylsulfonium carboethoxymethylide; Dimethylsulfonium phenacylide; 2,3-Dihydrobenzofurans

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A simple, efficient, and general method has been developed for the diastereoselective synthesis of 2,3-disubstituted dihydrobenzofurans through reactions of 2-hydroxyaryl-alpha,beta-unsaturated ketones with dimethylsulfonium carbonyl methylides. (C) 2009 Elsevier Ltd. All rights reserved.

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