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Molbank 2009, 2009(3), M603;

3-Methyl-1-phenyl-1H-pyrazol-5-yl 2-Bromo-3-furan-carboxylate

Department of Drug and Natural Product Synthesis, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
Department of Chemistry, Capital Normal University, Xisanhuanbei Road 105, Beijing 100048, China
Author to whom correspondence should be addressed.
Received: 29 May 2009 / Accepted: 1 July 2009 / Published: 3 July 2009
Full-Text   |   PDF [207 KB, uploaded 3 July 2009]


The reaction of 3-methyl-1-phenyl-2-pyrazolin-5-one and 2-bromo-3-furoyl chloride in the presence of Ca(OH)2 in 1,4-dioxane gave the title compound. The latter was also obtained in much higher yield upon reaction of the starting materials in the system dichloromethane / triethylamine. Detailed spectroscopic data (1H NMR, 13C NMR, 15N NMR, IR, MS) are presented. View Full-Text
Keywords: pyrazolones; aroylation; NMR spectroscopy pyrazolones; aroylation; NMR spectroscopy
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Holzer, W.; Guo, C.; Schalle, K. 3-Methyl-1-phenyl-1H-pyrazol-5-yl 2-Bromo-3-furan-carboxylate. Molbank 2009, 2009, M603.

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