Bis[4-(3-aminophenoxy)phenyl] ketone
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چکیده
In the mol-ecule of the title compound, C(25)H(20)N(2)O(3), the dihedral angles formed by adjacent benzene rings are 66.75 (8), 48.37 (8) and 71.43 (9)°. In the crystal structure, centrosymmetrically related mol-ecules are linked into dimers by inter-molecular N-H⋯O hydrogen bonds.
منابع مشابه
1,2-Bis(4-aminophenoxy)ethane
The mol-ecule of the title compound, C(14)H(16)N(2)O(2), is located on a crystallographic twofold rotation axis. The central O-C-C-O bridge adopts a gauche conformation. One of the amine H atoms is disordered over two equally occupied positions. The crystal structure is stabilized by N-H⋯O and N-H⋯N hydrogen bonds.
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In the crystal structure of the title compound, C(30)H(22)O(7), neighbouring benzene rings are twisted out of the plane of the five-membered ring by 27.30 (3) and 45.47 (3)°.
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The title compound, C(28)H(24)N(2)O(5), a flexible Schiff base ligand, was prepared in high yield by a Schiff base condensation of 3-methoxy-salicylaldehyde and bis-(4-amino-phen-yl) ether in methanol. The mol-ecule lies on a twofold rotation axis, and each half exhibits an imine E configuration and an O-H⋯N hydrogen bond. The dihedral angle between the two benzene rings attached to the central...
متن کامل1,4-Bis(4-aminophenoxy)benzene
The title compound, C(18)H(16)N(2)O(2), is a precusor for the synthesis of polyimides. The mol-ecule is located on a crystallographic inversion center and the terminal amino-phen-oxy rings are almost perpendicular to the central benzene ring with a dihedral angle of 85.40 (4)°. The mol-ecular conformation is stabilized by N-H⋯O and N-H⋯N inter-molecular hydrogen-bonding inter-actions.
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The Ir centre in the title complex, [Ir(C(11)H(6)F(2)N)(2)(C(6)H(4)NO(2))], is six-coordinated in a slightly distorted octa-hedral IrC(2)N(3)O fashion.
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