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

ABSTRACT: In the title compound, C(22)H(25)NO(4), the piperidine ring adopts a distorted boat conformation. The two benzene rings are approximately perpendicular to each other, making a dihedral angle of 86.2 (8)°. The crystal packing is stabilized by C-H⋯O and C-H⋯π inter-actions.

SUBMITTER: Kavitha T

PROVIDER: S-EPMC2968915 | biostudies-literature | 2009 Mar

REPOSITORIES: biostudies-literature

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

Kavitha T T Ponnuswamy S S Sakthivel P P Karthik K K Ponnuswamy M N MN

Acta crystallographica. Section E, Structure reports online 20090325 Pt 4

In the title compound, C(22)H(25)NO(4), the piperidine ring adopts a distorted boat conformation. The two benzene rings are approximately perpendicular to each other, making a dihedral angle of 86.2 (8)°. The crystal packing is stabilized by C-H⋯O and C-H⋯π inter-actions. ...[more]

PMID: 21582573

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1-Formyl-r-2,c-6-bis-(4-methoxy-phen-yl)-t-3,t-5-dimethyl-piperidin-4-one.

Project description:In the title compound, C(22)H(25)NO(4), the piperidine ring adopts a distorted boat conformation. The methyl groups at the 3 and 5 positions of the piperidine ring are in axial and equatorial orientations, respectively. Both H and O atoms in the aldehyde group are disordered over two positions with occupancies of 0.534?(5) and 0.466?(5). In the crystal, the mol-ecules are linked into a three-dimensional network by C-H?O hydrogen bonds.

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Project description:In the title compound, C(23)H(26)BrNO(4), the piperidinone ring adopts a boat conformation. The dihedral angle between the two benzene rings is 70.9 (1)°. The two meth-oxy groups are close to coplanar with the attached benzene rings [C-C-O-C torsion angles of 6.3 (5) and 16.4 (4)°]. A weak C-H⋯Br intra-molecular inter-action is observed. In the crystal structure, mol-ecules are linked into a chain along [101] by inter-molecular C-H⋯O hydrogen bonds. A short inter-molecular Br⋯O contact [3.063 (2) Å] is observed.

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Project description:In the title compound, C(23)H(26)ClNO(4), the piperidine ring adopts a distorted boat conformation. The two methoxy-phenyl groups at the 2 and 6 positions of the piperidine ring are in axial and equatorial orientations. An intra-molecular C-H⋯Cl inter-action is observed. In the crystal, the mol-ecules are linked into zigzag chains along the b axis by C-H⋯π inter-molecular inter-actions.

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Project description:In the title compound, C(23)H(25)Cl(2)NO(4), the piperidine ring adopts a distorted boat conformation. Inversion-related mol-ecules are linked into centrosymmetric R(2) (2)(16) dimers by paired C-H⋯O hydrogen bonds, and the dimers are connected via C-H⋯O hydrogen bonds into a chain running along [101].

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