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Title: Environmentally benign aqueous zinc tetrafluoroborate-catalyzed one-pot Biginelli condensation at room temperature
Authors: Kundu, S K
Majee, A
Hajra, A
Keywords: Aqueous zinc tetrafluoroborate;Biginelli condensation;three-component reactions
Issue Date: Mar-2009
Publisher: CSIR
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.
Page(s): 408-412
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.48B(03) [March 2009]

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