1-Formyl-r-2,c-6-bis­(4-methoxy­phen­yl)-t-3,t-5-dimethyl­piperidin-4-one

نویسندگان

  • T. Kavitha
  • P. Sakthivel
  • S. Ponnuswamy
  • S. S. Ilango
  • M. N. Ponnuswamy
چکیده

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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منابع مشابه

1-Formyl-r-2,c-6-bis­(4-methoxy­phen­yl)-c-3,t-3-dimethyl­piperidin-4-one

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.

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1-Dichloro­acetyl-r-2,c-6-bis­(4-methoxy­phen­yl)-t-3,t-5-dimethyl­piperidin-4-one

In the title compound, C(23)H(25)Cl(2)NO(4), the piperidine ring adopts a distorted boat conformation. The dihedral angle between the benzene rings is 54.8 (1)°. In the crystal, the mol-ecules are linked into a two-dimensional network parallel to the ab plane by C-H⋯O hydrogen bonds.

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1-Dichloro­acetyl-r-2,c-6-bis­(4-methoxy­phen­yl)-c-3,t-3-dimethyl­piperidin-4-one

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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1-Chloro­acetyl-r-2,c-6-bis­(4-methoxy­phen­yl)-c-3,t-3-dimethyl­piperidin-4-one

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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1-Bromo­acetyl-2,6-bis­(4-methoxy­phen­yl)-3,5-dimethyl­piperidin-4-one

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 ch...

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عنوان ژورنال:

دوره 65  شماره 

صفحات  -

تاریخ انتشار 2009