2,6-Bis(4-methoxyphenyl)-4-phenylpyridine
نویسنده
چکیده
In the title compound, C(25)H(21)NO(2), which was synthesized by the condensation of 2,6-bis-(4-methoxy-phen-yl)-4-phenyl-pyridinium tetra-fluoro-borate with ammonia under microwave irradiation and solvent-free conditions, the angles between the central pyridine ring and the three benzene rings are 22.3 (2), 35.3 (2) and 19.8 (2)°. In the crystal, inter-molecular C-H⋯π hydrogen-bond inter-actions link the mol-ecules.
منابع مشابه
4-(4-Methoxyphenyl)-1-phenylpyridine-2,6(1H,3H)-dione
In the title compound, C(18)H(15)NO(3), the pyridine-2,6-dione ring adopts an envelope conformation. The phenyl ring lies approximately perpendicular to the mean plane of the pyridine-2,6-dione ring [dihedral angle = 81.5 (1)°], while the methoxy-phenyl ring is tilted to the same plane by a dihedral angle of 34.8 (1)°. Inter-molecular C-H⋯O inter-actions link the mol-ecules into chains along [1...
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In the mol-ecule of the title compound, C(20)H(23)NO(3), the bulky methoxy-phenyl substituents at the equatorial 2,6-positions crowd the vicinity of the equatorial amino H atom and prevent it from forming inter-molecular hydrogen bonds. The piperidine ring adopts a distorted chair conformation.
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In the title compound, C(17)H(17)NO(4), the dihedral angle between the benzene and pyridine rings is 75.51 (4)°. The benzene and pyridine rings are both approximately planar (r.m.s. deviations of 0.0040 and 0.0083 Å, respectively), indicating that the pyridine N atom is not protonated. The crystal structure is stabilized by weak inter-molecular C-H⋯O and C-H⋯N inter-actions.
متن کامل4-(4-Methoxyphenyl)-4-methyl-2,6-diphenyl-4H-thiopyran
The asymmetric unit of the title compound, C(25)H(22)OS, comprises two similar 4-(4-methoxy-phen-yl)-4-methyl-2,6-diphenyl-4H-thio-pyran mol-ecules. In each, the six-membered thio-pyran ring adopts a planar conformation (r.m.s. deviation of 0.041Å for the ring in one mol-ecule and 0.008 Å in the other). The methoxy-phenyl substituent is in a pseudo-axial position. The crystal studied is an inve...
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عنوان ژورنال:
دوره 66 شماره
صفحات -
تاریخ انتشار 2009