Synlett 2005(5): 0785-0788  
DOI: 10.1055/s-2005-863738
LETTER
© Georg Thieme Verlag Stuttgart · New York

A Quick, Clean and Green Synthesis of Methylenedioxyprecocene and other Chromenes over Basic Montmorillonite K10 Clay

Matthew R. Dintzner*, Thomas W. Lyons, Michael H. Akroush, Paul Wucka, Adam T. Rzepka
Department of Chemistry, DePaul University, 1036 West Belden Avenue, Chicago, IL 60614, USA
Further Information

Publication History

Received 21 October 2004
Publication Date:
09 March 2005 (online)

Abstract

The microwave-assisted, clay-catalyzed condensation of sesamol and other phenols with 3-methyl-2-butenal to give methylenedioxyprecocene 3 and other chromenes, is described.