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Molbank 2010, 2010(1), M661; doi:10.3390/M661

(2-Chlorophenyl)-3-methylchromeno[2,3-c]pyrazol-4(1H)-one

Department of Drug and Natural Product Synthesis, Faculty of Life Sciences, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
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Received: 9 February 2010 / Accepted: 8 March 2010 / Published: 9 March 2010
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Abstract

The title compound was prepared by treatment of 1-(2-chlorophenyl)-3-methyl-2-pyrazolin-5-one with 2-chlorobenzoyl chloride / Ca(OH)2 in 1,4-dioxane and subsequent cyclization of the thus obtained 4-aroyl-5-hydroxypyrazole with sodium hydride in dry DMF. Detailed spectroscopic data (1H NMR, 13C NMR, 15N NMR, IR, MS) are presented.
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MDPI and ACS Style

Batezila, G.; Holzer, W. (2-Chlorophenyl)-3-methylchromeno[2,3-c]pyrazol-4(1H)-one. Molbank 2010, 2010, M661.

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