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4-[(2,4-Difluoro-phen-yl)hydrazinyl-idene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothio-amide.

ABSTRACT: In the title compound, C(11)H(9)F(2)N(5)OS, the pyrazole ring forms a dihedral angle of 16.42?(6)° with the benzene ring. Intra-molecular N-H?O hydrogen bonds generate two S(6) ring motifs. In the crystal, an R(2) (2)(8) ring motif is formed by a pair of inter-molecular N-H?S hydrogen bonds. Inter-molecular C-H?F hydrogen bonds further link the mol-ecules into a three-dimensional network.

SUBMITTER: Fun HK

PROVIDER: S-EPMC3247501 | biostudies-literature | 2011 Nov

REPOSITORIES: biostudies-literature

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4-[(2,4-Difluoro-phen-yl)hydrazinyl-idene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothio-amide.

Fun Hoong-Kun HK Asik Safra Izuani Jama SI Razak Ibrahim Abdul IA Shetty Shobhitha S Kalluraya Balakrishna B

Acta crystallographica. Section E, Structure reports online 20111029 Pt 11

In the title compound, C(11)H(9)F(2)N(5)OS, the pyrazole ring forms a dihedral angle of 16.42 (6)° with the benzene ring. Intra-molecular N-H⋯O hydrogen bonds generate two S(6) ring motifs. In the crystal, an R(2) (2)(8) ring motif is formed by a pair of inter-molecular N-H⋯S hydrogen bonds. Inter-molecular C-H⋯F hydrogen bonds further link the mol-ecules into a three-dimensional network. ...[more]

PMID: 22220119

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4-[2-(4-Bromo-phen-yl)hydrazinyl-idene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothio-amide.

Project description:In the title compound, C(11)H(10)BrN(5)OS, the approximately planar pyrazole ring [maximum deviation = 0.014?(2)?Å] forms a dihedral angle of 5.49?(13)° with the benzene ring. An intra-molecular N-H?O hydrogen bond generates an S(6) ring motif. In the crystal, mol-ecules are linked through inter-molecular N-H?S and N-H?O hydrogen bonds, forming a two-dimensional network parallel to (100). A short Br?Br contact of 3.5114?(6)?Å is also observed.

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Project description:The asymmetric unit of the title compound, C18H18ClN3OS·C2H5OH, comprises a pyrazoline derivative and an ethanol solvent mol-ecule. In the mol-ecule of the pyrazoline derivative, the pyrazole ring adopts an envelope conformation with the C atom bearing the eth-oxy-phenyl substituent as the flap. The dihedral angle between the benzene rings is 74.22?(7)°. The eth-oxy group is coplanar with the attached benzene ring [C-O-C-Cmeth-yl = 175.50?(11)° and r.m.s. deviation = 0.0459?(1)?Å for the nine non-H atoms]. In the crystal, the pyrazoline mol-ecules are linked by N-H?Oeth-oxy hydrogen bonds into chains along the c axis and are further linked with the solvent ethanol mol-ecules by N-H?Oethanol and Oethanol-H?S hydrogen bonds. C-H?? inter-actions are also present.

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Ethyl 2-[(2,4-difluoro-phen-yl)hydrazinyl-idene]-3-oxobutano-ate.

Project description:The asymmetric unit of the title compound, C(12)H(12)F(2)N(2)O(3), contains two mol-ecules, both of which exist in an E conformation with respect to their C=N bonds [1.321?(6) and 1.310?(6)?Å]. The mol-ecular conformations are supported by intra-molecular N-H?O hydrogen bonds, which generate S(6) rings. In the crystal, mol-ecules are linked by C-H?O and C-H?F hydrogen bonds into layers lying parallel to (001). The crystal studied was an inversion twin with a 0.58?(1):0.42?(1) domain ratio.

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5-(4-Eth-oxy-phen-yl)-3-(pyridin-2-yl)-4,5-dihydro-1H-pyrazole-1-carbothio-amide.

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