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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 56, Number 4
JKCSEZ 56(4)
August 20, 2012 

Synthesis of New 8-Formyl-4-methyl-7-hydroxy Coumarin Derivatives
D M Manidhar, K Uma Maheswara Rao, N Bakthavatchala Reddy, Ch Syama Sundar, C Suresh Reddy*
N,N-di substituted cyano acetamides, Piperdine, Coumarin derivatives
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 8- Formyl-4-Methyl-7-Hydroxy Coumarin Derivatives (7a-o). Their structures were characterized by IR, 1H and 13C NMR and Mass spectral and elemental analysis data.
459 - 463
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