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N-(3,4-Difluoro-phen-yl)-3,4,5-trimethoxy-benzamide.

ABSTRACT: In the title amide, C(16)H(15)F(2)NO(4), the dihedral angle between the benzene rings is 2.33?(15)°. Mol-ecules are linked in the crystal structure by N-H?O hydrogen bonding involving N-H and C=O groups of the amide function, leading to a supra-molecular chain along [100].

SUBMITTER: Choi H

PROVIDER: S-EPMC2979189 | biostudies-literature | 2010 Apr

REPOSITORIES: biostudies-literature

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N-(3,4-Difluoro-phen-yl)-3,4,5-trimethoxy-benzamide.

Choi Hyeong H Han Byung Hee BH Lee Taewoo T Kang Sung Kwon SK Sung Chang Keun CK

Acta crystallographica. Section E, Structure reports online 20100424 Pt 5

In the title amide, C(16)H(15)F(2)NO(4), the dihedral angle between the benzene rings is 2.33 (15)°. Mol-ecules are linked in the crystal structure by N-H⋯O hydrogen bonding involving N-H and C=O groups of the amide function, leading to a supra-molecular chain along [100]. ...[more]

PMID: 21579190

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N-(3-Bromo-phen-yl)-3,4,5-trimethoxy-benzamide.

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Project description:In the mol-ecule of the title compound, C(19)H(18)N(4)O(3)S, the central heterocylic ring system is oriented with respect to the trimethoxy-phenyl and 4-methyl-phenyl rings at dihedral angles of 1.1?(5) and 15.1?(5)°, respectively. The dihedral angle between the two benzene rings is 16.1?(4)°. In the crystal structure, mol-ecules are linked by inter-molecular C-H?O hydrogen bonds, and an intra-molecular C-H?N inter-action also occurs.

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6-(4-Pyrid-yl)-3-(3,4,5-trimethoxy-phen-yl)-1,2,4-triazolo[3,4-b][1,3,4]thia-diazole.

Project description:In the mol-ecule of the title compound, C(17)H(15)N(5)O(3)S, the planar central heterocylic ring system is oriented at dihedral angles of 5.32 (4) and 9.41 (4)°, respectively with respect to trimethoxy-phenyl and pyridine rings. Intra-molecular C-H⋯N, C-H⋯O and C-H⋯S hydrogen bonds result in the formation of a nearly planar six-membered ring, which is oriented at a dihedral angle of 3.07 (5)° with respect to the central heterocylic ring system, and non-planar six- and five-membered rings having twist and envelope conformations, respectively. In the crystal structure, inter-molecular C-H⋯N and C-H⋯O hydrogen bonds link the mol-ecules. There is a C-H⋯π contact between the pyridine ring and a methyl group and a π-π contact between the central heterocylic ring system and the trimethoxy-phenyl ring [centroid-centroid distance = 3.758 (1) Å].

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N-Cyclo-hexyl-3,4,5-trimethoxy-benzamide.

Project description:The 3,5-meth-oxy groups in the title compound, C(16)H(23)NO(4), are almost coplanar with the aromatic ring, whereas the 4-meth-oxy group is bent out of this plane. The three CH(3)-O-C-C torsion angles are -1.51?(18), 0.73?(19) and 75.33?(15)°. The cyclo-hexane ring adopts a chair conformation. In the crystal, mol-ecules are connected by inter-molecular N-H?O hydrogen bonds into chains running along the b axis.

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