One-pot synthesis of dihydropyrimidine-thione derivatives using tungstate sulfuric acid (TSA) as a recyclable catalyst

Article abstract of DOI:10.1080/10426507.2011.616562

An efficient, simple, and environmentally benign procedure for the one-pot synthesis of 3,4-dihydropyrimidine-2-(1H) thione derivatives that entails the three-component condensation of appropriate aryl aldehydes, β-dicarbonyls, and thiourea in the presenc