(E,E)-6,6′-Dimethoxy-2,2′-[o-phenylenebis(nitrilomethylidyne)]diphenol
نویسندگان
چکیده
In the title compound, C(22)H(20)N(2)O(4), the central benzene ring forms dihedral angles of 3.2 (2) and 61.1 (1)° with the two outer substituted benzene rings. Intra-molecular O-H⋯N hydrogen bonds are formed by both hydroxyl groups.
منابع مشابه
6,6′-Dimethoxy-2,2′-[p-phenylenebis(nitrilomethylidyne)]diphenol chloroform disolvate
The title compound, C(22)H(20)N(2)O(4)·2CHCl(3), a new Schiff base compound, lies across a crystallographic inversion centre. An intra-molecular O-H⋯N hydrogen bond generates a six-membered ring, producing an S(6) ring motif. Inter-molecular bifurcated C-H⋯O hydrogen bonds involving the two O atoms of the Schiff base ligand and the H atom of the chloro-form solvent of crystallization, generate ...
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In the title compound, C(22)H(28)N(2)O(6), strong intra-molecular O-H⋯N hydrogen bonds and weak inter-molecular C-H⋯O hydrogen bonds stabilize the three-dimensional supra-molecular structure.
متن کامل6,6′-Dimethoxy-2,2′-[pyridine-2,3-diylbis(nitrilomethylidyne)]diphenol
In the title compound, C(21)H(19)N(3)O(4), two intramolecular N-H⋯O hydrogen bonds generate two six-membered rings. The dihedral angles between the central heterocyclic ring and the two pendant rings are 61.5 (2) and 63.5 (1)°.
متن کامل6,6′-Dimethoxy-2,2′-[(cyclohexane-1,2-diyl)bis(nitrilomethylidyne)]diphenol
The mol-ecule of the title compound, C(22)H(26)N(2)O(4), has two azomethine linkages, both of which are in an E configuration. The cyclo-hexyl ring adopts a chair conformation. The dihedral angle between the benzene rings is 66.57 (9)°. The mol-ecular structure is stabilized by two intra-molecular O-H⋯N hydrogen bonds.
متن کامل6,6′-Di-tert-butyl-2,2′-[1,2-phenylenebis(nitrilomethylidyne)]diphenol
The mol-ecule of the title Schiff base compound, C(28)H(32)N(2)O(2), has a twisted geometry, the dihedral angles between the central benzene ring and the other two benzene rings being 29.12 (14) and 26.01 (14)°. Four intra-molecular C-H⋯O hydrogen bonds and two intra-molecular O-H⋯N hydrogen bonds stabilize the mol-ecular structure. In the crystal packing, mol-ecules are stacked along the a axi...
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