%0 Journal Article %T Mesoporous molecular sieve MCM-41 catalyzed one-pot synthesis of 3,4-dihydro-2(1H)-pyrimidinones and ¨Cthiones under solvent-free conditions %A Rahim Hekmatshoar %A Maryam Heidari %A Majid. M. Heravi %A Bita Baghernejad %J Bulletin of the Chemical Society of Ethiopia %D 2011 %I Chemical Society of Ethiopia %X An efficient synthesis of 3,4-dihydro-2(1H)-pyrimidinones and -thiones using MCM-41 as the catalyst from an aldehyde, ¦Â-keto ester, and urea or thiourea under solvent-free conditions is described. KEY WORDS: Biginelli reaction, Dihydropyrimidinones, MCM-41, One-pot, Reusable Bull. Chem. Soc. Ethiop. 2011, 25(2), 309-313. %U http://www.ajol.info/index.php/bcse/article/view/65910