%0 Journal Article %T Synthesis of potential pharmaceutically active dihydropyrimidine-2-oxo and their 2-thio analogues %A K Akhter %A M Hasan %A ME Halim %A MG Ahmed %A MM Rahman %A UKR Romman %J Bangladesh Journal of Scientific and Industrial Research %D 2018 %R https://doi.org/10.3329/bjsir.v53i4.39198 %X The Biginelli one - pot three-component cyclocondensation was applied to prepare 3, 4 - dihydropyrimidin - 2 (1H) ¨C ones from aldehydes, ¦Â-dicarbonyl compounds and urea (or thiourea) using ZnCl2 as a catalyst. The method offers several advantages including short reaction times and easy experimental work up procedures. Bangladesh J. Sci. Ind. Res.53(4), 327-332, 2018 %K Cyclocondensation %K Aldehydes %K ¦Â - dicarbonyl %K Urea and thiourea %U https://www.banglajol.info/index.php/BJSIR/article/view/39198