Synthesis 2005(11): 1748-1750  
DOI: 10.1055/s-2005-869899
SHORTPAPER
© Georg Thieme Verlag Stuttgart · New York

Ruthenium(III) Chloride-Catalyzed One-Pot Synthesis of 3,4-Dihydro­pyrimidin-2-(1H)-ones under Solvent-Free Conditions

Surya K. De*, Richard A. Gibbs
Department of Medicinal Chemistry and Molecular Pharmacology, School of Pharmacy, Purdue Cancer Center, Purdue University, West Lafayette, IN 47907, USA
Fax: +1(765)4941414; e-Mail: skd125@pharmacy.purdue.edu;
Further Information

Publication History

Received 4 January 2005
Publication Date:
18 May 2005 (online)

Abstract

Ruthenium(III) chloride efficiently catalyzes the three-component Biginelli reaction of an aldehyde, a β-keto ester, and urea or thiourea under solvent-free conditions to afford the corresponding 3,4-dihydropyrimidine-2-(1H)-ones in excellent yields.