1150643-76-7Relevant articles and documents
Yttria-zirconia-based Lewis acid catalysis of the Biginelli reaction: An efficient one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones
Ramalingam,Kumar, Pradeep
experimental part, p. 1299 - 1309 (2009/10/09)
Yttria-zirconia-based Lewis acid efficiently catalyzes the three-component cyclocondensation reaction of aldehyde, β-keto ester, and urea or thiourea in refluxing acetonitrile to produce the corresponding dihydropyrimidones in high yields. Copyright Taylor & Francis Group, LLC.