(Z)-N-[(Z)-3-(2,5-Dimethylphenylimino)butan-2-ylidene]-2,5-dimethylaniline
نویسندگان
چکیده
The asymmetric unit of the title compound, C20H24N2, contains one half-mol-ecule, with the single C-C bond of the 1,4-di-aza-butadiene fragment situated on a centre of symmetry. The benzene rings are inclined to the 1,4-di-aza-butadiene mean plane by 59.5 (1)°.
منابع مشابه
(Z)-N-[(Z)-3-(2,4-Dimethylphenylimino)butan-2-ylidene]-2,4-dimethylaniline
The asymmetric unit of the title compound, C(20)H(24)N(2), contains one half -mol-ecule which exhibits a crystallographically imposed center of symmetry. The benzene rings are inclined to the 1,4-diaza-butadiene mean plane by 78.3 (2)°.
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In the title compound, C(18)H(18)Cl(2)N(2), the complete molecule is generated by the application of C(2) symmetry. The C=N bond has an E configuration. The dihedral angle between the benzene ring and the 1,4-diaza-butadiene plane is 66.81 (9)°.
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In the title compound, C(21)H(17)N(3)O(4), pairs of mol-ecules form a planar[maximum deviation 0.0566 (9) Å] centrosymmetric imidazole dimer via two N-H⋯O hydrogen bonds. These dimeric units are linked by further N-H⋯O hydrogen bonds between the ester carbonyl group and the imidazolidine ring, formiing chains parallel to the c-axis direction. In addition, there are π-π stacking inter-actions be...
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The title compound, C20H20Br4N2, is a product of the condensation reaction of 4,6-di-bromo-2,3-di-methyl-aniline and butane-2,3-dione. The mol-ecule has a center of symmetry at the mid-point of the central C-C bond. The dihedral angle between the benzene ring and the 1,4-di-aza-butadiene plane is 78.3 (2)°. Niether hydrogen bonding nor aromatic stacking is observed in the crystal structure.
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Reaction of CuSCN with 2,5-dimethylpyrazine (2,5-me2pyz) yields a polymeric material, [Cu2(SCN)2(2,5-me2pyz)]∞, which has been crystallographically characterized. The compound crystallizes in the monoclinic space group P21/n with a = 5.6850(2) Å, b = 6.92877(3) Å, c = 14.3575(6) Å, β = 93.435(1)◦, and Z = 2. It contains [Cu(SCN)]∞ sheets in which each thiocyanate ligand acts in a μ-N ,S,S-bridg...
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