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N-(2-Fluoro-benz-yloxy)-1,3,5-trimethyl-2,6-diphenyl-piperidin-4-imine.

ABSTRACT: In the title compound, C(27)H(29)FN(2)O, the piperidine ring has a twisted boat conformation and all ring substituents occupy equatorial positions. The dihedral angle formed between the phenyl rings is 66.71?(12)°, and the phenyl rings form dihedral angles of 46.60?(13) and 43.75?(13)° with the fluoro-benzene ring, which occupies a position coplanar to the meth-oxy(methyl-idene)amine residue [N-O-C-C torsion angle = -179.5?(2)°]. In the crystal, a complex network of C-H?? inter-actions connects the mol-ecules into a three-dimensional architecture.

SUBMITTER: Ramalingan C

PROVIDER: S-EPMC3414181 | biostudies-other | 2012 Aug

REPOSITORIES: biostudies-other

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N-(2-Fluoro-benz-yloxy)-1,3,5-trimethyl-2,6-diphenyl-piperidin-4-imine.

Ramalingan Chennan C Ng Seik Weng SW Tiekink Edward R T ER

Acta crystallographica. Section E, Structure reports online 20120704 Pt 8

In the title compound, C(27)H(29)FN(2)O, the piperidine ring has a twisted boat conformation and all ring substituents occupy equatorial positions. The dihedral angle formed between the phenyl rings is 66.71 (12)°, and the phenyl rings form dihedral angles of 46.60 (13) and 43.75 (13)° with the fluoro-benzene ring, which occupies a position coplanar to the meth-oxy(methyl-idene)amine residue [N-O-C-C torsion angle = -179.5 (2)°]. In the crystal, a complex network of C-H⋯π inter-actions connects ...[more]

PMID: 22904788

Similar Datasets

(4E)-N-[(2-Bromo-phen-yl)meth-oxy]-1,3-dimethyl-2,6-diphenyl-piperidin-4-imine.

Project description:In the title compound, C(26)H(27)BrN(2)O, the piperidine ring has a chair conformation and all ring substituents occupy equatorial positions, apart from the double-bonded N atom, which occupies a bis-ectional position. The dihedral angle formed between the phenyl rings is 61.18?(19)°, and the phenyl rings form dihedral angles of 49.78?(19) and 69.2?(18)° with the bromo-benzene ring. The latter is coplanar with the meth-oxy(methyl-idene)amine fragment [N-O-C-C torsion angle = -171.7?(2)°]. Linear supra-molecular chains, approximately along [112], sustained by C-H?? inter-actions, feature in the crystal packing.

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Project description:In the title compound, C(26)H(27)ClN(2)O, the piperidine ring has a chair conformation and all of the ring substituents at Csp(3) atoms occupy equatorial positions. The dihedral angle formed between the phenyl rings is 48.11?(9)°. The chloro-benzene ring occupies a position orthogonal to the meth-oxy(methyl-idene)amine residue [N-O-C-C torsion angle = -87.90?(15)°]. The conformation about the imine C=N bond [1.278?(2)?Å] is E, and the chloro substituent is anti to the piperidine N atom. Helical supra-molecular chains along [010] are sustained by C-H?? inter-actions in the crystal packing.

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1-(2-Chloro-benz-yl)-3,5-dimethyl-2,6-diphenyl-piperidine.

Project description:Two independent mol-ecules (A and B) comprise the asymmetric unit of the title compound, C(26)H(28)ClN, with the inverted form of B almost superimposable upon A. Each piperidine ring has a chair conformation and the chloro substituent is anti to the piperidine N atom. Each of two aromatic rings, the benzyl residue and one methyl group substituents occupies an equatorial position, and the second methyl substituent occupies an axial position. The dihedral angle formed between the chloro-benzene ring and the flanking phenyl rings in mol-ecule A are 84.24?(9) and 24.85?(8)°; the equivalent angles for mol-ecule B are 79.97?(9) and 28.33?(9)°. In the crystal, the A and B mol-ecules are connected by C-H?Cl and C-H?? inter-actions, forming a supra-molecular chain along [101].

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Project description:In the title moleclue, C(19)H(21)NO, the 4-piperidone ring adopts a chair conformation in which the two benzene rings and the methyl group attached to C atoms all have equatorial orientations. In the crystal structure, centrosymmetric dimers are formed through weak inter-molecular C-H?O hydrogen bonds [the dihedral angle between the aromatic rings is 58.51?(5)°].

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N-(4-Fluoro-benz-yl)-3-nitro-pyridine-2,6-diamine.

Project description:In the title compound, C(12)H(11)FN(4)O(2), the pyridine ring is connected to a benzene ring by a -CH(2)-NH(2)- chain. The nitro group is twisted out of the pyridine ring plane [torsion angle O-N-C-C = 10.41?(10)°]. An intramolecular N-H?O hydrogen bond occurs. The fluoro-benzene ring is disordered over two positions [occupancy ratio = 0.59?(3):0.41?(3)]. Inter-molecular N-H?O and N-H?N hydrogen bonds stabilize the crystal structure.

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