منابع مشابه
2,2′,5,5′-Tetramethyl-1,1′-(hexane-1,6-diyl)di-1H-pyrrole
The mol-ecule of the title compound, C(18)H(28)N(2), composed of two 2,5-dimethyl-pyrrole groups linked by a hexane chain, lies across a crystallographic inversion centre. The mean plane of the pyrrole ring is almost perpendicular to the mean plane of the central chain, making a dihedral angle of 89.09 (8)°. The crystal structure is stabilized by inter-molecular C-H⋯π inter-actions.
متن کامل3-Isobutyl 5-methyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate
The title nitro-phenyl pyridine compound, C(20)H(22)N(2)O(6) was synthesized as a degradation product of the hypertension medication nisoldipine. The dihedral angle between the nitro-substituted phenyl ring and the pyridine ring is 75.5 (4)°. There are a number of C-H⋯O inter-actions between symmetry-related mol-ecules>.
متن کامل1-Isobutyl-N,N-dimethyl-1H-imidazo[4,5-c]quinolin-4-amine
In the title compound, C(16)H(20)N(4), the 1H-imidazo[4,5-c]quinoline ring system is approximately planar, with a maximum deviation of 0.0719 (15) Å. An intra-molecular C-H⋯N hydrogen bond contributes to the stabilization of the mol-ecule, forming an S(6) ring motif. In the crystal, the mol-ecules are stacked along the b axis through weak aromatic π-π inter-actions between benzene and imidazole...
متن کامل3,3-Dimethyl-cis-2,6-di-p-tolylpiperidin-4-one
In the title mol-ecule, C(21)H(25)NO, the piperidine ring adopts a chair conformation. The benzene rings and one of the methyl groups attached to the piperidine ring have equatorial orientations. The dihedral angle between the two benzene rings is 72.53 (9)°. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds. Weak C-H⋯π inter-actions involving the benzene rings are also present in t...
متن کامل4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethyl-9H-thioxanthene
In the title compound, C(23)H(28)Br(2)S, the thioxanthene unit is twisted, showing a dihedral angle of 29.3 (5)° between the benzene rings. When projected along [001], the packing shows two types of channels. The crystal studied was a racemic twin.
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ژورنال
عنوان ژورنال: Journal of the American Chemical Society
سال: 1909
ISSN: 0002-7863,1520-5126
DOI: 10.1021/ja01935a014