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Synthesis and Spectral Studies of Novel Pyrazole Derivatives of B-Carbonyl Compounds

Volume 23, Number 3

Usha Baloda*, Amit S. Choudhary, Pradeep Yadav, M.P. Dobhal and Y.C. Joshi

Department of Chemistry, University of Rajasthan, Jaipur - 302 004 (India)

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ABSTRACT:

Reaction of N-(2-chloroethyl)pyrazole (1a) and 3-methyl-N-(2-chloroethyl)pyrazole (1b) with various b-diketones and b-ketoesters in presence of sodium methoxide (CH3ONa) give novel b-dicarbonyl derivatives (2a-j). Structures of these compounds were established on the basis of spectral studies viz. IR, 1H NMR etc.

KEYWORDS:

pyrazole; b-diketone; 1;2-dichloroethane

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Baloda U, Choudhary A. S, Yadav P, Dobhal M. P, Joshi Y. C. Synthesis and Spectral Studies of Novel Pyrazole Derivatives of B-Carbonyl Compounds. Orient J Chem 2007;23(3).

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Baloda U, Choudhary A. S, Yadav P, Dobhal M. P, Joshi Y. C. Synthesis and Spectral Studies of Novel Pyrazole Derivatives of B-Carbonyl Compounds. Orient J Chem 2007;23(3). Available from: http://www.orientjchem.org/?p=20542

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