N-Benzoyl-N′-(2-chloro-3-pyridyl)thiourea
نویسندگان
چکیده
The title compound, C(13)H(10)ClN(3)OS, was prepared by the reaction of 3-amino-2-chloropyridine with benzoyl isothio-cyanate at room temperature. The thio-urea group makes dihedral angles of 47.17 (5) and 51.88 (4)°, respectively, with the benzene and pyridyl rings, while the angle between the benzene and pyridine rings is 8.91 (3)°. Inter-molecular hydrogen-bond inter-actions link neighbouring mol-ecules into an infinite supra-molecular structure.
منابع مشابه
1-(1,3-Benzothiazol-2-yl)-3-(4-chlorobenzoyl)thiourea
The title compound, C(15)H(10)ClN(3)OS(2), adopts a cis-trans configuration across the thio-urea C-N bonds with respect to the positions of the benzothia-zole and 4-chloro-benzoyl groups relative to thiono S atom. An intra-molecular N-H⋯O hydrogen bond is present. In the crystal structure, mol-ecules are linked by a weak inter-molecular N-H⋯S hydrogen bond, forming centrosymmetric dimers.
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The mol-ecule of the title compound, C(14)H(12)ClN(3)OS, consists of three approximately planar fragments: the central thio-urea group, the chloro-phenyl group and the picolyl (3-methyl-pyridin-2-yl) group with a maximum of 0.035 (2)° for an N atom from the mean square plane of the central thiourea group. The central fragment forms dihedral angles of 33.30 (8) and 76.78 (8)° with the chloro-phe...
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In the title compound, C(18)H(14)N(2)OS, the dihedral angle between the mean planes of the 3-naphthyl and 1-benzoyl rings is 20.7 (1)°. The crystal packing is stabilized by weak N-H⋯S inter-actions. Intra-molecular N-H⋯O and C-H⋯O hydrogen bonding is also observed.
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In the N-substituted benzoyl-thio-urea, C(24)H(23)N(5)OS, the benzoyl-thio-urea unit is non-planar (r.m.s. deviation = 0.126 Å). The aliphatic part of the tetra-hydro-quinoline fused-ring system is disordered over two positions in a 0.592 (5):0.408 (5) ratio. The pyridine and pyrrole rings are twisted by 55.2 (1)° in order to avoid crowding of their respective substituents. Pairs of mol-ecules ...
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