Abstract
The piperidone ring in the title compound, C18H19NOS2, is in a distorted half-chair conformation, distorted towards a twisted boat, with the central methylene C atom of the propyl backbone lying 0.606 (2) Å out of the plane defined by the other five atoms (r.m.s. deviation = 0.1197 Å). One of the S-bound phenyl rings is almost perpendicular to the least-squares plane through the piperidone ring, whereas the other is splayed [dihedral angles = 75.97 (6) and 44.21 (7)°, respectively]. The most prominent feature of the crystal packing is the formation of helical supramolecular chains along the b axis sustained by C—H⋯O interactions. The chains are consolidated into a three-dimensional architecture via C—H⋯π interactions whereby one S-bound phenyl ring accepts two C—H⋯π contacts.
Highlights
The piperidone ring in the title compound, C18H19NOS2, is in a distorted half-chair conformation, distorted towards a twisted boat, with the central methylene C atom of the propyl backbone lying 0.606 (2) Å out of the plane defined by the other five atoms (r.m.s. deviation = 0.1197 Å)
One of the Sbound phenyl rings is almost perpendicular to the leastsquares plane through the piperidone ring, whereas the other is splayed [dihedral angles = 75.97 (6) and 44.21 (7), respectively]
The most prominent feature of the crystal packing is the formation of helical supramolecular chains along the b axis sustained by C—H O interactions
Summary
M. Santos,b Seik Weng Ngc,d and Edward R. T. Tiekinkc a BioMat – Departamento de Fısica, Universidade Federal de São Carlos, 13565-905. São Carlos, SP, Brazil, bChemistry Institute, Universidade de São Paulo, 05508-000. São Paulo, SP, Brazil, cDepartment of Chemistry, University of Malaya, 50603 Kuala
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