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1-Formyl-r-2,c-6-bis-(4-methoxy-phen-yl)-t-3-methyl-piperidin-4-one.

Authors
Type
Published Article
Journal
Acta Crystallographica Section E Structure Reports Online
1600-5368
Publisher
International Union of Crystallography
Publication Date
Volume
65
Issue
Pt 11
Identifiers
DOI: 10.1107/S1600536809042457
PMID: 21578404
Source
Medline
License
Unknown

Abstract

The asymmetric unit of the title compound, C(21)H(23)NO(4), contains two crystallographically independent mol-ecules A and B. In both mol-ecules, the piperidine-4-one rings adopt a distorted twist-boat conformation. The formyl group at position 1, the methoxy-phenyl ring at position 2 and the methyl group at position 3 are attached equatorially. The meth-oxy phenyl ring at position 6 has an axial orientation. The dihedral angle between the two benzene rings is 55.27 (8)° in mol-ecule A, and 55.29 (8)° in mol-ecule B. In the crystal, the mol-ecules are linked by weak C-H⋯O inter-molecular hydrogen-bond inter-actions. In addition, weak C-H⋯π inter-molecular inter-actions involving the benzene rings at positions 6 and 2 of mol-ecule B are also found in the crystal structure.

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