3-Butyl-2-(piperidin-1-yl)-5,6,7,8-tetrahydrobenzothieno[2,3-d]pyrimidin-4(3H)-one

Abstract

In the title compound, C19H27N3OS, the central thienopyrimidine ring system is essentially planar. The cyclohexene ring adopts a half-chair conformation, while the piperidine ring is in a standard chair conformation. There is an intramolecular C—H...O hydrogen bond, which stabilizes the molecular structure. The crystal packing is stabilized by C—H...π interactions.