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3-[(2-Hydro­xy­benzyl­idene)­hydrazino­carbonyl]-1H-1,2,4-triazole ethanol solvate

✍ Scribed by Ge, Chang-Hua ;Yang, Jian-Guo ;Pan, Fu-You

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

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In the crystal structure of the title compound, C 16 H 13 N 4 OF, molecules are linked through intermolecular NÐHÁ Á ÁO hydrogen bonds to form dimers. The dimers are held together by van der Waals interactions.

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The title compound, C 16 H 12 BrClN 4 O, contains two benzene rings and a triazole ring which is substituted at the 1,2,4positions. The crystal structure of (I) is stabilized by NÐ HÁ Á ÁO and %±% stacking interactions.

3-(2-Hydro­xy­phenyl)-4-phenyl-1H-1,2,4-
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The title molecule, C 14 H 11 N 3 OS, is non-planar. The phenyl and hydroxyphenyl rings form dihedral angles of 69.08 (9) and 24.57 (9) , respectively, with the ®ve-membered 2,4-dihydro-1,2,4-triazole ring. The molecules form centrosymmetric dimers through NÐHÁ Á ÁS hydrogen bonds, with an NÁ Á ÁS d

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The title molecule, C 16 H 12 ClFN 4 O, contains three planar rings. The molecules are linked by an intermolecular hydrogen bond. The p-chlorophenyl and p-¯uorophenyl rings form dihedral angles of 61.2 (4) and 12.38 (10) , respectively, with the triazole ring.

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The title compound, C 18 H 23 NO 3 , is a potent new herbicide containing the pyrrolidine-2,4-dione ring system. In the crystalline state, the molecular skeleton contains a hydrogen-bonded enol group, formed by benzoyl tautomerization.

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The molecule of the title compound, C 10 H 9 FN 4 O, is almost planar. In the 1,2,4-triazole moiety, the C N, CÐN and NÐN bond lengths are normal. The crystal structure is stabilized by intra-and intermolecular hydrogen bonds.