Abstract
The six-membered thiazine ring in the title compound, C16H15NOS, adopts a half-chair conformation, with the S atom forming the back of the chair. The base of the chair has a slight twist reflected in the r.m.s. deviation (0.0756 Å) of those five atoms from the plane defined by them. The phenyl substituents are almost perpendicular to each other [dihedral angle 87.06 (9)°]. In the crystal, molecules are linked into chains parallel to the c axis through C—H⋯O interactions.
Highlights
Bruker SMART APEX CCD diffractometerMolecules are linked into chains parallel to the c axis through C—H O interactions
In the paper by Yennawar & Silverberg [Acta Cryst. (2014), E70, o133], the conformation of the thiazine ring was reported incorrectly
Surrey has reported that the title compound could not be prepared by condensation of N-benzylideneaniline with 3-mercaptopropionic acid in refluxing benzene, unlike when the imine was N-alkyl (Surrey et al, 1958)
Summary
Molecules are linked into chains parallel to the c axis through C—H O interactions
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