Abstract
In the title compound, C29H26N2O5S, the piperidine ring adopts a half-chair conformation. The phenyl rings are oriented at dihedral angles of 75.76 (12) and 86.64 (9)° with respect to the best plane through the piperidine ring. The dihedral angle between the two phenyl rings is 30.81 (13)°. The benzoxazole ring system is approximately planar [maximum deviation = 0.016 (4) Å]. The atoms of the ethyl side chain are disordered over two sets of sites [site occupancies = 0.376 (9) and 0.624 (9)]. The molecular conformation is stabilized by an intramolecular O—H⋯O hydrogen bond, generating an S(6) motif. The crystal packing is stabilized by intermolecular C—H⋯O interactions, generating a chain running along the a axis.
Highlights
In the title compound, C29H26N2O5S, the piperidine ring adopts a half-chair conformation
The phenyl rings are oriented at dihedral angles of 75.76 (12) and 86.64 (9) with respect to the best plane through the piperidine ring
The phenyl rings are oriented at dihedral angles of 75.76 (12) and 86.64 (9)° with respect to the best plane through the piperidine ring
Summary
Ethyl 1-[2-(1,3-benzoxazol-2-ylsulfanyl)acetyl]-4-hydroxy-2,6-diphenyl-1,2,5,6tetrahydropyridine-3-carboxylate 608-739, Republic of Korea, and bCentre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai 600 025, India Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.003 Å; disorder in main residue; R factor = 0.046; wR factor = 0.128; data-to-parameter ratio = 19.2.
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