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|Title:||Environmentally benign aqueous zinc tetrafluoroborate-catalyzed one-pot Biginelli condensation at room temperature|
|Authors:||Kundu, S K|
|Keywords:||Aqueous zinc tetrafluoroborate;Biginelli condensation;three-component reactions|
|Abstract:||A trace amount (0.6 mole % with respect to aldehyde or 1,3-dicarbonyl compound) of an aqueous solution of zinc tetrafluoroborate has been used as a mild, efficient and almost neutral catalyst for a one-pot three component condensation of aldehydes, 1,3-dicarbonyl compound and urea or thiourea to afford the corresponding 3,4-dihydropyrimidin-2 (1H)-ones (DHPMs) and thiones in high yields at room temperature.|
|Appears in Collections:||IJC-B Vol.48B(03) [March 2009]|
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