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By Bohari M. Yamin and Halima Farag Salem


In the title compound, C13H15ClN2S, the dihydro­pyrimidine ring is essentially planar, with a maximum deviation from the least-squares plane of 0.122 (3) Å for the unsubstitued olefinic C atom. The dihedral angle between the dihydro­pyrimidine and benzene rings is 86.62 (13)°. The crystal structure is stabilized by inter­molecular N—H⋯S hydrogen bonds, which form centrosymmetric dimers arranged along the c axis

Topics: Organic Papers
Publisher: International Union of Crystallography
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Provided by: PubMed Central

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  1. (2005). Acta Cryst. E61, o55–o57. organic compounds o282 Yamin and Salem doi:10.1107/S1600536810054292 Acta Cryst.
  2. Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) x y z Uiso*/Ueq Cl1
  3. (1990). The molecular packing is also characterized by centrosymmetric dimers connected by the N—H..S intermolecular hydrogen bond forming a R2 2(8) ring (Etter et al.,