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6-Methyl-3-phenyl-2-sulfanyl-idene-1,2,3,4-tetra-hydro-quinazolin-4-one. 2012

Adel S El-Azab, and Alaa A-M Abdel-Aziz, and Seik Weng Ng, and Edward R T Tiekink

The title compound, C(15)H(12)N(2)OS, exists as the thione tautomer in the solid state. The phenyl group is almost perpendicular [dihedral angle = 87.96 (5)°] to the fused ring system (r.m.s. deviation = 0.036 Å for 13 ring and exocyclic non-H atoms). In the crystal, centrosymmetric dimers, sustained by pairs of N-H⋯S hydrogen bonds, are connected into layers parallel to (-101) by C-H⋯O and C-H⋯S inter-actions.

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