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Three-Component One-Pot Synthesis of 4-Aryl-2,3-dihydropyrimido[1,2- a ]benzimidazol-2-ones Catalyzed by l -Proline

โœ Scribed by Sheibani, Hassan; Saidi, Kazem; Lakaei, Molod


Book ID
118734920
Publisher
Journal of Heterocyclic Chemistry
Year
2012
Tongue
English
Weight
174 KB
Volume
49
Category
Article
ISSN
0022-152X

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Three-component, one-pot synthesis of 3,
โœ A. Shaabani; A. Maleki ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Versita ๐ŸŒ English โš– 162 KB

## Abstract An efficient synthesis of 3,4-dihydropyrimidin-2-(1H)-one derivatives by one-pot three-component condensation reaction between an alkyl or aryl aldehyde, a 1,3-dicarbonyl compound, and urea or thiourea in the presence of catalytic amount of bromodimethylsulfonium bromide has been develo