Journal
JOURNAL OF THE KOREAN CHEMICAL SOCIETY-DAEHAN HWAHAK HOE JEE
Volume 56, Issue 4, Pages 459-463Publisher
KOREAN CHEMICAL SOC
DOI: 10.5012/jkcs.2012.56.4.459
Keywords
N,N-di substituted cyano acetamides; Piperdine; Coumarin derivatives
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8-Formyl-4-Methyl-7-Hydroxy Coumarin Derivatives were synthesized via Penchem condensation followed by Duffs reaction. Treatment of this with N,N-di substituted cyano acetamides in the presence of piperdine afforded New 8Formyl- 4-Methyl-7-Hydroxy Coumarin Derivatives (7a-o). Their structures were characterized by IR, H-1 and C-13 NMR and Mass spectral and elemental analysis data.
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