@article { ISI:000263875000017,
	title = {Yttria-zirconia-based lewis acid catalysis of the biginelli reaction: an efficient one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones},
	journal = {Synthetic Communications},
	volume = {39},
	number = {7},
	year = {2009},
	month = {MAR},
	pages = {PII 909239399},
	publisher = {TAYLOR \& FRANCIS INC},
	address = {325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA},
	abstract = {<p>Yttria-zirconia-based Lewis acid efficiently catalyzes the three-component cyclocondensation reaction of aldehyde, -keto ester, and urea or thiourea in refluxing acetonitrile to produce the corresponding dihydropyrimidones in high yields.</p>},
	keywords = {Biginelli reaction, dihydropyrimidone, yttria-zirconia-based Lewis acid},
	issn = {0039-7911},
	doi = {10.1080/00397910802519174},
	author = {Ramalingam, S. and Kumar, Pradeep}
}
