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Title: Study of catalytic activity of ammonium dihydrogen orthophosphate in the synthesis of 3,4-dihydropyrimidin-2-(1H)-one
Authors: Ramatchandiran, N
Sumathi, S
Buvaneswari, G
Keywords: Biginelli condensation;ammonium dihydrogen orthophosphate;5-ethoxycarbonyl-6-methyl-4- phenyl-3;4-dihydropyrimidin-2-(1H)-one;acetic acid;n-hexane
Issue Date: Jun-2009
Publisher: CSIR
Abstract: Application of ammonium dihydrogen orthophosphate as a catalyst in the one pot synthesis of 5-ethoxycarbonyl-6-methyl-4-phenyl-3,4-dihydropyrimidin-2-(1H)-one by Biginelli condensation is reported. The effect of temperature and the presence of solvents such as ethanol, acetonitrile, toluene, chloroform, acetic acid, n-hexane, etc. on the activity of the catalyst are studied.
Page(s): 865-867
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.48B(06) [June 2009]

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