4-(Antipyrin-4-yliminomethyl)benzoic acid
✍ Scribed by Zhang, Yu ;Li, Yizhi ;Tao, Hanbin ;Zhu, Longgen
- Publisher
- International Union of Crystallography
- Year
- 2001
- Tongue
- English
- Weight
- 163 KB
- Volume
- 58
- Category
- Article
- ISSN
- 1600-5368
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The title compound, C 12 H 17 N 3 O, was obtained by the direct solvent-free reaction of salicylaldehyde with 1-amino-4methylpiperazine. The piperazine ring adopts a chair conformation. In the crystal structure, strong intramolecular O-HÁ Á ÁN hydrogen bonds, weak intermolecular C-HÁ Á ÁO hydrogen b
The title compound, C 10 H 9 N 3 O 2 S, crystallizes in the orthorhombic non-centrosymmetric space group P2 1 2 1 2 1 . The molecules are linked into a three-dimensional network through OÐHÁ Á ÁN and NÐHÁ Á ÁO hydrogen bonds and weak SÁ Á ÁO interactions.
The title compound, [Fe(C 5 H 5 )(C 19 H 15 ClN)], a new ketiminecontaining ferrocenyl derivative, has been synthesized and characterized structurally. Conjugation between the two benzene rings and the imine group is not observed. In addition, there are no significant intermolecular interactions.
The title compound, C 19 H 17 N 3 O 3 ÁCH 3 OH, was synthesized by the reaction of 4-amino-1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one and 4-formylbenzoic acid in methanol solution. As expected, the antipyrine derivative adopts a trans configuration about the central C N bond. In the crystal stru