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

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

 and *
Department of Drug and Natural Product Synthesis, Faculty of Life Sciences, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
* Author to whom correspondence should be addressed.
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.
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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

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