The crystal and molecular structure of the title compound, C 19 H 20 Cl 2 O 2 , reveals a chair conformation for the pyran ring in which the hydroxyl group is axially oriented. All the other substituents occupy equatorial positions. There are two molecules in the asymmetric unit.
r-2,c-6-Bis(4-chlorophenyl)-t-3,t-5-dimethyltetrahydropyran-4-one
✍ Scribed by Jose Kavitha, Savaridasson ;Sarangarajan, Thanjavur Ramabhadran ;Thanikasalam, Kanagasabapathy ;Panchanatheswaran, Krishnaswamy ;Jeyaraman, Ramasubbu
- Publisher
- International Union of Crystallography
- Year
- 2003
- Tongue
- English
- Weight
- 298 KB
- Volume
- 59
- Category
- Article
- ISSN
- 1600-5368
No coin nor oath required. For personal study only.
✦ Synopsis
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.051 wR factor = 0.140 Data-to-parameter ratio = 15.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
📜 SIMILAR VOLUMES
The molecular structure of the title compound, C 21 H 24 O 2 , reveals a chair conformation for the pyran ring, in which the methyl and p-tolyl groups occupy equatorial positions. A CÐ HÁ Á Á% interaction is observed between an H atom of the tetrahydropyran ring and one of the aromatic rings.
The piperidine ring of the title molecule, C~20~H~21~Cl~2~NO, is in a chair form. The dihedral angle between the two benzene rings is 52.4 (1)°. The chlorophenyl and isopropyl groups have equatorial orientations. Weak C—H...O and C—H...N intramolecular interactions were found in the crystal structur
In the title compound, C 16 H 18 N 2 O 4 , the cyclohexene ring adopts a half-chair conformation. In the solid state, intermolecular O-HÁ Á ÁN hydrogen bonds link the molecules into dimers. The crystal packing is further stabilized by N-HÁ Á ÁO and O-HÁ Á ÁO hydrogen bonds and weak C-HÁ Á ÁO interac