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3-Methyl-1-phenyl-4-[(Z)-phenyl(p-tolyl­amino)­methyl­ene]-1H-pyrazol-5(4H)-one

✍ Scribed by Ma, Rong-Ming

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
111 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

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 ˚].

📜 SIMILAR VOLUMES

5-Methyl-2-phenyl-4-[(Z)-(2-tolyl­amino)
5-Methyl-2-phenyl-4-[(Z)-(2-tolyl­amino)­phenyl­methyl­ene]­pyrazol-3(2H)-one
✍ Bao, Feng ;Lü, Xingqiang ;Wu, Qing ;Kang, Beisheng ;Ng, Seik Weng 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 186 KB

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 ].

4-[(Z)-(2-Fluorenyl­amino)­phenyl­methyl
4-[(Z)-(2-Fluorenyl­amino)­phenyl­methyl­ene]-5-methyl-2-phenyl-2H-pyrazol-3(4H)-one
✍ Bao, Feng ;Lü, Xing-Qiang ;Wu, Qing ;Ng, Seik Weng 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 176 KB

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 ].

4-[(Z)-(4-Ethoxyphenylamino)(phenyl)meth
4-[(Z)-(4-Ethoxyphenylamino)(phenyl)methylene]-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one
✍ Ma, Rui ;Chen, Ying ;Song, Zhong-Ying ;Bai, Yi-Qiong ;Bao, Feng 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 458 KB

The structure of the title compound, C 25 H 23 N 3 O 2 , features a central pyrazole ring; an amine NH unit interacts with the ring CO unit through an intramolecular N-HÁ Á ÁO hydrogen bond [NÁ Á ÁO = 2.700 (2) A ˚]