Acta Crystallographica Section C

Crystal Structure Communications

Volume 69, Part 12 (December 2013)

organic compounds

Acta Cryst. (2013). C69, 1524-1526    [ doi:10.1107/S010827011303059X ]

(9E)-9-Benzyl­idene-2-methyl­sulfanyl-5-phenyl-6,7,8,9-tetra­hydro­pyrim­ido[4,5-b]quinolin-4(3H)-one: a hydrogen-bonded R22(8) dimer

D. Becerra, B. Insuasty, J. Cobo and C. Glidewell

Abstract: In the mol­ecule of the title compound, C25H21N3OS, which was prepared by mild oxidation of the corresponding 5,6,7,8,9,10-hexa­hydro analogue, the fused carbocyclic ring adopts an envelope conformation. Pairs of mol­ecules are linked into cyclic centrosymmetric dimers by pairs of inversion-related N-H...O hydrogen bonds.

CCDC reference: 970789

Formula: C25H21N3OS

Keywords: crystal structure; hydrogen-bonded dimer; tetra­hydro­pyrimidin-4(3H)-one; biological activity.

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[ doi:10.1107/S010827011303059X/sk3519Isup3.cml ]
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