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4-[(Z)-(Benzyl­amino)­phenyl­methyl­ene]-5-methyl-2-phenyl-2H-pyrazol-3-one

✍ Scribed by Jiang, Ji-Jun ;Lü, Xing-Qiang ;Bao, Feng ;Kang, Bei-Sheng ;Ng, Seik Weng

Publisher
International Union of Crystallography
Year
2004
Tongue
English
Weight
179 KB
Volume
60
Category
Article
ISSN
1600-5368

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The NH unit on the exocyclic C C double bond in the title compound, C 24 H 21 N 3 O, lies on the same side of the double bond as the carbonyl unit of the pyrazolone ring, and the two interact through an NÐHÁ Á ÁO hydrogen bond [2.695 (2) A Ê ].

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The NH unit on the exocyclic C C double bond in the title compound, C 30 H 23 N 3 O, lies on the same side of the double bond as the carbonyl unit of the pyrazolonyl ring, and the two interact through an NÐHÁ Á ÁO hydrogen bond [2.671 (2) A Ê ].

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Single-crystal X-ray study T = 298 K Mean '(C±C) = 0.002 A Ê R factor = 0.040 wR factor = 0.124 Data-to-parameter ratio = 16.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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The NH unit on the exocyclic C C double bond in the title compound, C 24 H 21 N 3 O, which is on the same side of the double bond as the C O unit of the pyrazolone ring, interacts with the carbonyl group through an intramolecular N-HÁ Á ÁO hydrogen bond [2.685 (2) A ˚].