N. Begum
Oct 28, 2017
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Abstract
The title compound, C16H20N2O2S, crystallizes with two molecules in the asymmetric unit, one of which shows positional disorder of the ethyl side chain over two orientations in a 0.555 (7):0.445 (7) ratio. The hydropyrimidine ring adopts a shallow boat conformation and the 2,5-dimethylphenyl ring is positioned axially. The crystal structure features N—H⋯S, N—H⋯O and C—H⋯O hydrogen bonds, which link the molecules into (10-1) sheets.