N-(3-Chloropropionyl)-N′-phenylthiourea
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چکیده
The title compound, C(10)H(11)ClN(2)OS, adopts a cis-trans configuration with respect to the position of the phenyl and 3-chloro-propionyl groups relative to the thiono group across the C-N bonds. The benzene ring is perpendicular to the propionyl thio-urea fragment with a dihedral angle of 82.62 (10)°. An intra-molecular N-H⋯O inter-action occurs. The crystal structure is stabilized by inter-molecular N-H⋯S hydrogen bonds, which link pairs of mol-ecules, building up R(2) (2)(8) ring motifs, and C-H.. π inter-actions.
منابع مشابه
N-(2-Chloro-5-nitrophenyl)-N′-(3-chloropropionyl)thiourea
The title compound, C10H9Cl2N3O3S, adopts a trans-cis conformation with respect to the position of chloropropionyl and chloronitrobenzene groups respectively, against the thiono about their C-N bonds. The conformation is stabilized by an intra-molecular N-H⋯O hydrogen bond. In the crystal, there is a short Cl⋯Cl contact with a distance of 3.386 (13) Å.
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In the crystal structure of the title compound, C(9)H(13)N(3)S, mol-ecules are linked through N-H⋯S and N-H⋯N hydrogen bonds, forming hydrogen-bonded tapes along the b axis. The dihedral angle between the phenyl ring and the thiourea group is 44.9 (2)°.
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The title compound, C(28)H(21)N(3)S, crystallizes with two mol-ecules in the asymmetric unit. There are only very slight differences in the torsion angles between the two molecules. The two mol-ecules are stabilized by intra-molecular N-H⋯N inter-actions and the crystal packing is stabilized by inter-molecular N-H⋯S inter-actions.
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In the title compound, C(16)H(16)N(2)OS, the conformation at the two partially double C-N bonds of the thio-urea unit is E. The amide group is twisted relative to the thio-urea fragment, forming a dihedral angle of 62.44 (16)°, and the two phenyl rings form a dihedral angle 75.93 (18)°. In the crystal, mol-ecules are linked by N-H⋯S hydrogen bonds, forming centrosymmetric dimers.
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The complete molecule of the title compound, C(16)H(18)N(4)S(2), is generated by crystallographic inversion symmetry. The dihedral angle between the phenyl ring and the thio-urea group is 52.9 (4)°. The crystal structure displays inter-molecular N-H⋯S hydrogen bonding, which generates sheets in the ab plane.
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