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IJC-B Vol.45B(01) [January 2006] >

Title: Condensation reactions of various nucleophiles with 3-formylchromone
Authors: Halnor, V B
Dalvi, N R
Joshi, N S
Gill, C H
Karale, B K
Keywords: Formylchromones
Issue Date: Jan-2006
Publisher: CSIR
IPC CodeInt.Cl.7 C 07 D
Abstract: 3-Formylchromones 1 are condensed with 1-(2,4-difluorophenyl-2-[1,2,4]triazol-4-yl)ethanone in acetic anhydride to afford 3-[3-(2,4-difluoro-phenyl)-3-oxo-2-[1,2,4]triazol-4-yl)propenyl]chromon-4-ones 2. 3-Formylchromone 1 when heated with benzo[d]isoxazol-3-yl-acetic acid in dry pyridine yield 3-(2-benzo[d]isoxazol-3-yl-vinyl)chromon-4-ones 3. Further, 3-formylchromone 1 on heating with N-methylpiperizine in ethanol give 1-(2-hydroxyphenyl)-3-(4-methyl-piperazin-1-yl)propenones 4.
Page(s): 288-291
ISSN: 0975-0983(Online); 0376-4699(Print)
Source:IJC-B Vol.45B(01) [January 2006]

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