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N'-[1-(4-Chloro-phen-yl)ethyl-idene]-5-methyl-1-(4-nitro-phen-yl)-1H-1,2,3-triazole-4-carbohydrazide.

ABSTRACT: In the title compound, C(18)H(15)ClN(6)O(3), the 1,2,3-triazole ring forms dihedral angles of 15.64 (5) and 57.50 (5)° with the two benzene rings. The dihedral angle between the two benzene rings is 72.26 (5)°. In the crystal, mol-ecules are linked via C-H⋯O hydrogen bonds into chains propagating along the b axis. A short O⋯C contact of 2.9972 (13) Å is observed.

SUBMITTER: Fun HK

PROVIDER: S-EPMC3393971 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N'-(3,4-Dichloro-benzyl-idene)-5-methyl-1-(4-nitro-phen-yl)-1H-1,2,3-triazole-4-carbohydrazide.

Project description:In the title compound, C(17)H(12)Cl(2)N(6)O(3), the 1H-1,2,3-triazole ring [maximum deviation = 0.003?(1)?Å] forms dihedral angles of 34.08?(6) and 28.38?(6)°, respectively, with the nitro- and dichloro-substituted benzene rings. The dihedral angle between the benzene rings is 6.68?(5)°. In the crystal, C-H?O hydrogen bonds link the mol-ecules into chains running parallel to the a axis.

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Ethyl 5-methyl-1-(4-nitro-phen-yl)-1H-1,2,3-triazole-4-carboxyl-ate.

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Project description:In the title compound, C(22)H(24)N(6)O(5), the triazole ring is essentially planar with a maximum deviation of 0.005?(2)?Å and forms dihedral angles of 79.78?(11) and 86.22?(11)° with the phenyl and benzene rings, respectively. In the crystal, mol-ecules are linked by inter-molecular N-H?N, C-H?O and C-H?? inter-actions into a three-dimensional network.

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1-[4-Chloro-3-(trifluoro-meth-yl)phen-yl]-4-phenyl-1H-1,2,3-triazole.

Project description:In the title compound, C(15)H(9)ClF(3)N(3), the phenyl and chloro-trifluoro-methyl benzene rings are twisted with respect to the planar triazole group, making dihedral angles of 21.29?(12) and 32.19?(11)°, respectively. In the crystal, the mol-ecules pack in a head-to-tail arrangement along the a axis with closest inter-centroid distances between the triazole rings of 3.7372?(12)?Å.

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3-(2-Chloro-phen-yl)-4-(4-nitro-phen-yl)-1H-1,2,4-triazole-5(4H)-thione.

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N'-[(E)-1-(5-Chloro-2-hy-droxy-phen-yl)ethyl-idene]pyridine-3-carbohydrazide monohydrate.

Project description:In the title compound, C(14)H(12)ClN(3)O(2)·H(2)O, the benzene ring and the pyridine rings are oriented at a dihedral angle of 57.73 (12)° and an intra-molecular O-H⋯N hydrogen bond generates an S(6) ring. In the crystal, the water mol-ecule forms O-H⋯O and O-H⋯N hydrogen bonds to the organic mol-ecule, leading to chains containing R(4) (4)(16) loops. In addition, weak aromatic π-π stacking inter-actions between the centroids of pyridine rings [at distance of 3.864 (2) and 4.013 (2) Å] and C-H⋯π inter-actions occur.

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Ethyl 1-[(2-chloro-1,3-thia-zol-5-yl)methyl]-5-methyl-1H-1,2,3-triazole-4-carboxylate.

Project description:In the title compound, C(10)H(11)ClN(4)O(2)S, the triazole ring carries methyl and ethoxy-carbonyl groups and is bound via a methyl-ene bridge to a chloro-thia-zole unit. There is also evidence for significant electron delocalization in the triazolyl system. Intra- and inter-molecular C-H⋯O hydrogen bonds together with strong π-π stacking inter-actions [centroid-centroid distance 3.620 (1) Å] stabilize the structure.

| S-EPMC2960093 | biostudies-literature

Ethyl 1-(6-chloro-3-pyridylmeth-yl)-5-ethoxy-methyl-eneamino-1H-1,2,3-triazole-4-carboxyl-ate.

Project description:In the title compound, C(14)H(16)ClN(5)O(3), there is evidence for significant electron delocalization in the triazolyl system. Intra-molecular C-H⋯O and inter-molecular C-H⋯O and C-H⋯N hydrogen bonds stabilize the structure.

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