LETTER	Synlett 2006: 3457-3460   DOI: 10.1055/s-2006-958406
© Georg Thieme Verlag Stuttgart · New York
A Stereoselective Suzuki Cross-Coupling Strategy for the Synthesis of Ethyl-Substituted Conjugated Dienoic Esters and Conjugated Dienones
Daniel Keck, Thierry Muller, Stefan Bräse*
University of Karlsruhe (TH), Institute of Organic Chemistry, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany Fax: +49(721)6088581; e-Mail: braese@ioc.uka.de;
Received 24 July 2006

Abstract

A stereoselective approach towards ethyl-substituted conjugated dienoic esters and dienones utilising a Suzuki cross-coupling reaction has been achieved. In addition, a method for their conversion into the corresponding ethyl ketones is presented.

Key words

cross-coupling - dienoic esters - Suzuki reaction - stereoselective - triflate