6,6′-Dihydroxy-2,2′-[(butane-1,4-diyldioxy)bis(nitrilomethylidyne)]diphenol
نویسندگان
چکیده
The mol-ecule of the centrosymmetric title compound, C(18)H(20)N(2)O(6), assumes an E configuration with respect to the azomethine C=N bond. The imino group is coplanar with the aromatic ring. Intra-molecular O-H⋯O and O-H⋯N bonds are found between the hydroxyl groups and adjacent O (or N) atoms. In the crystal structure, inter-molecular O-H⋯O bonds link each mol-ecule to two others, forming a layered network.
منابع مشابه
6,6′-Dimethoxy-2,2′-[(hexane-1,6-diyldioxy)bis(nitrilomethylidyne)]diphenol
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 کامل4,4′-Dimethoxy-2,2′-[(butane-1,4-diyldioxy)bis(nitrilomethylidyne)]diphenol
The title Schiff base bis-oxime compound, C(20)H(24)N(2)O(6), lies across an inversion centre and adopts an E configuration with respect to the C=N bond. In the mol-ecule, the oxime group is roughly coplanar with the benzene ring, forming a dihedral angle of 1.77 (2)°. An intra-molecular O-H⋯N hydrogen bond forms a six-membered ring with an S(6) motif. Weak inter-molecular C-H⋯O hydrogen bondin...
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 کامل5,5′-Dimethoxy-2,2′-[(nonane-1,9-diyldioxy)bis(nitrilomethylidyne)]diphenol
The mol-ecule of the title compound, C(25)H(34)N(2)O(6), adopts a fully extended configuration. The oxime (-CH=N-O-) group is coplanar with the aromatic ring and the two benzene rings are almost parallel, making a dihedral angle of 0.16 (3)°. In the crystal structure, strong intra-molecular O-H⋯N hydrogen bonds generate six-membered S(6) ring motifs. Inter-molecular C-H⋯O hydrogen bonds link ea...
متن کامل5,5′-Bis(diethylamino)-2,2′-[butane-1,4-diyldioxybis(nitrilomethylidyne)]diphenol
The title complex, C(26)H(38)N(4)O(4), was synthesized by the reaction of 4-diethyl-amino-2-hydroxy-benzaldehyde with 1,4-bis-(amino-oxy)butane in ethanol. It crystallizes as discrete centrosymmetric molecules adopting an extended conformation where the two salicylaldoxime groups are separated from each other. Intra-molecular O-H⋯N hydrogen bonding is observed between the hydr-oxy groups and ox...
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عنوان ژورنال:
دوره 64 شماره
صفحات -
تاریخ انتشار 2008