3-(4-Chlorophenyl)-5-(thiophen-2-yl)-4,5-dihydro-1H-pyrazole-1-carbothioamide
نویسندگان
چکیده
In the title pyrazoline derivative, C(14)H(12)ClN(3)S(2), the thiophene ring is disordered over two orientations with a refined site-occupancy ratio of 0.832 (4):0.168 (4). The pyrazoline ring adopts an envelope conformation with the C atom linking the thiophene ring at the flap. The dihedral angles between the benzene ring and the major and minor components of the thiophene ring are 88.6 (3) and 85.6 (15)°, respectively while the dihedral angle between the disorder components of the ring is 3.1 (16)°. The mean plane of the pyrazoline ring makes dihedral angles of 11.86 (13), 80.1 (3) and 83.0 (15)°, respectively, with the benzene ring, and the major and minor components of the thiophene ring. An intra-molecular N(amide)-H⋯N(pyrazoline) hydrogen bond generates an S(5) ring motif. In the crystal, mol-ecules are linked by weak C-H⋯S and N(amide)-H⋯S inter-actions into a tape along [10[Formula: see text]]. C-H⋯π inter-actions are also observed.
منابع مشابه
4-[2-(4-Chlorophenyl)hydrazinylidene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothioamide
In the title mol-ecule, C(11)H(10)ClN(5)OS, an intra-molecular N-H⋯O hydrogen forms an S(6) ring motif. The dihedral angle between the pyrazole ring and the benzene ring is 3.77 (8)°. In the crystal, mol-ecules are linked by N-H⋯S and N-H⋯O hydrogen bonds into layers parallel to the bc plane.
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In the title compound, C(20)H(21)ClN(2)O(2), the benzene rings form dihedral angles of 6.35 (5) and 81.82 (5)° with the mean plane of the 4,5-dihydro-1H-pyrazole ring (r.m.s. deviation = 0.145 Å). This latter ring adopts an envelope conformation with the CH grouping as the flap. The dihedral angle between the benzene rings is 75.63 (4)°. In the crystal, mol-ecules are linked by C-H⋯Cl and C-H⋯O...
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In the title compound, C(18)H(17)ClN(2)O(2), the benzene rings form dihedral angles of 6.69 (6) and 74.88 (5)° with the 4,5-dihydro-1H-pyrazole ring. The benzene rings form a dihedral angle of 76.67 (5)° with each other. In the crystal, mol-ecules are linked via bifurcated (C,C)-H⋯O hydrogen bonds into chains along [010]. The crystal structure is further consolidated by C-H⋯π inter-actions.
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In the present investigation, the synthesis and spectroscopic characterization of N-(4-nitrophenyl)-2-{2-[3-(4-chlorophenyl)-5-[4-(propan-2-yl)phenyl]-4,5-dihydro-1H-pyrazol-1-yl]-4oxo-4,5-dihydro-1,3-thiazol-5-yl}acetamide (2) is performed. The title compound (2) is synthesized by the reaction of 3-(4-chlorophenyl)-5-[4-(propan-2-yl)phenyl]-4,5-dihydro-1H-pyrazole-1carbothioamide (1) with N-(4...
متن کامل1,5-Dimethyl-4-{[(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene)(thiophen-2-yl)methyl]amino}-2-phenyl-1H-pyrazol-3(2H)-one
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