2,9-Dichloro-6H,13H-5:12,7:14-dimethanodibenzo[d,i][1,3,6,8]tetraazecine
نویسندگان
چکیده
The title compound, C(16)H(14)Cl(2)N(4), is isomorphous with 2,9-dimethyl-6H,13H-5:12,7:14-dimethano-dibenzo[d,i]-[1,3,6,8]tetra-azecine [Rivera et al. (2009 ▶). Acta Cryst. E65, o2553] and has twofold symmetry, with two carbon atoms located on a twofold axis. Only van der Waals forces occur between molecules in the crystal. In the isomorphous compound the crystal structure is stabilized by weak C-H⋯π inter-actions.
منابع مشابه
2,9-Dimethyl-6H,13H-5:12,7:14-dimethanodibenzo[d,i][1,3,6,8]tetraazecine
In the title structure, C(18)H(20)N(4), the aromatic rings are almost orthogonal [81.6 (2)°]. The mol-ecule has symmetry 2 since it is situated on a crystallographic twofold axis. There are only weak inter-molecular inter-actions present in the structure, notably C-H⋯π-electron ring inter-actions. The (1)H and (13)C NMR spectra are in accordance with the X-ray structure analysis.
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In the title compound, C(24)H(20)N(4), obtained through the condensation of naphthalene-2,3-diamine with formaldehyde in methanol, the mol-ecule is located on a special position of site symmetry -4. Due to symmetry considerations, the aromatic rings are strictly perpendicular to each other. In the crystal, mol-ecules are linked by pairs of C-H⋯π inter-actions into columns along [110].
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A series of benzimidazole-2-thione derivatives was synthesized using a reaction between the macrocyclic aminal 16H,13H-5:12,7:14-dimethanedibenzo[d,i]-[1,3,6,8] tetraazecine (DMDBTA, 5) and various nucleophiles in the presence of carbon disulfide. A full chemical characterization using IR, ¹H-, ¹³C-NMR and GC-MS analyses of the new compounds is provided. These compounds were separated from the ...
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