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3-{[(1Z)-(3-Methyl-5-oxo-1-phenyl-1,5-dihydro­pyrazol-4-ylidene)(phenyl)methyl]amino}propionic acid

✍ Scribed by Xu, Hai-Zhen ;Zhang, Xin ;Yu, Gui-Sheng

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

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📜 SIMILAR VOLUMES

Ethyl 2-{[(1Z)-(3-methyl-5-oxo-1-phenyl-
Ethyl 2-{[(1Z)-(3-methyl-5-oxo-1-phenyl-1,5-di­hydro­pyrazol-4-yl­idene)(phenyl)­methyl]­amino}-3-phenyl­propanoate
✍ Zhang, Xin ;Zhu, Hua-Ling ;Xu, Hai-Zhen ;Dong, Mei 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 189 KB

In the title compound, C 28 H 27 N 3 O 3 , the pyrazolone ring and the N atom of the 2-amino-3-phenylpropanoate group are essentially coplanar. The compound is in an enamine-keto form and its structure is stabilized by one strong intramolecular N-HÁ Á ÁO hydrogen bond.

Formation and structure of 1-Amino-4-met
Formation and structure of 1-Amino-4-methyl-4-(4-methyl-5-phenyl-1H-pyrazol-3-ylamino)-3-phenyl-4,5-dihydro-1H-pyrazol-5-one
✍ Donato Donati; Stefania Fusi; Fabio Ponticelli 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 281 KB 👁 1 views

The title compound 3 was obtained during the rearrangement of isoxazol-5-yl hydrazine 1 to 1 -aminopyrazolone 2 at \(115^{\circ}\). X-ray analysis of the corresponding benzylidene derivative allowed us to achieve the structure assignment.

3-Methyl-1-phenyl-4-[(Z)-phenyl(p-tolyl­
3-Methyl-1-phenyl-4-[(Z)-phenyl(p-tolyl­amino)­methyl­ene]-1H-pyrazol-5(4H)-one
✍ Ma, Rong-Ming 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 111 KB

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 ˚].

ChemInform Abstract: Formation and Struc
ChemInform Abstract: Formation and Structure of 1-Amino-4-methyl-4- (4-methyl-5-phenyl-1H-pyrazol-3-ylamino) -3-phenyl-4,5-dihydro-1H-pyrazol-5-one.
✍ D. DONATI; S. FUSI; F. PONTICELLI 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 1 views

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