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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

Synopsis: A tetra­hydro­pyrimidin-4(3H)-one, prepared by mild oxidation of the corresponding hexa­hydro analogue, forms hydrogen-bonded R_{2}^{2}(8) dimers.

Formula: C25H21N3OS

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