## Abstract Fluoroboric acid supported on silica gel (HBF~4~โSiO~2~) catalyzes efficiently the three component condensation of an aldehyde, a 1,3โdicarbonyl compound and urea or thiourea to afford the corresponding 3,4โdihydropyrimidinโ 2(1__H__)โones and thiones in high yields. The ambient conditi
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ChemInform Abstract: Three Component Reaction: An Efficient Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones and Thiones Using Heterogeneous Catalyst.
โ Scribed by Vinod Tribhuvannathji Kamble; Dnyanoba Baburao Muley; Sandeep Tukaram Atkore; Sharad Digambarrao Dakore
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 43 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0931-7597
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## Abstract An efficient and environmentally benign protocol for the synthesis of 3,4โdihydropyrimidinโ2(1H)โones and โthiones (IV) is described.