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4-(5-Chloro-2-hydroxy­benzyl­ideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

✍ Scribed by Sun, Yu-Xi


Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
309 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis


Single-crystal X-ray study T = 295 K Mean (C-C) = 0.004 A R factor = 0.064 wR factor = 0.141 Data-to-parameter ratio = 15.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.


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4-(3-Bromo-5-chloro-2-hydroxy­benzyl­ide
✍ Zhang, Xin-Li ;Li, Zong-Xiao 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 126 KB

The title compound, C 18 H 15 BrClN 3 O 2 , was obtained by reacting 3-bromo-5-chlorosalicylic aldehyde and 4-aminoantipyrine. The structure displays a trans configuration about the imine C N double bond. The N atom is also involved in an intramolecular O-HÁ Á ÁN hydrogen bond, which stabilizes the