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2-{[(4-{[(2-Hy-droxy-phen-yl)(phen-yl)methyl-idene]amino}-but-yl)imino](phen-yl)meth-yl}phenol.

ABSTRACT: The asymmetric unit of the title compound, C(30)H(28)N(2)O(2), comprises half of a potential tetra-dentate Schiff base ligand; an inversion centre is situtated at the center of the butane-diamine spacer. The central methyl-ene segment of the diamine spacer is disordered over two positions with a refined site-occupancy ratio of 0.651 (7):0.349 (7). The phenyl ring and the hy-droxy-substituted benzene ring are almost perpendicular to each other, with a dihedral angle of 87.90 (8) Å. Intra-molecular O-H⋯N hydrogen bonds make S(6) ring motifs.

SUBMITTER: Jamshidvand A

PROVIDER: S-EPMC3274985 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-{[(4-{[(2-Hy-droxy-phen-yl)(phen-yl)methyl-idene]amino}-phen-yl)imino](phen-yl)meth-yl}phenol.

Project description:The title mol-ecule, C(32)H(24)N(2)O(2), has a crystallographically imposed inversion centre and exists in the crystal as an enol-imine tautomer. The mol-ecular structure is stabilized by two strong intra-molecular O-H⋯N hydrogen bonds. The dihedral angles between the central benzene ring and the mean planes of the phenyl substituents are 59.99 (1) and 62.79 (2)°. In the crystal, the mol-ecules are arranged into (010) layers via C-H⋯π inter-actions.

| S-EPMC3238908 | biostudies-literature

2-[1-({2-[1-(2-Hy-droxy-5-{[meth-yl(phen-yl)amino]-meth-yl}phen-yl)ethyl-idene-amino]-eth-yl}imino)-eth-yl]-4-{[meth-yl(phen-yl)amino]-meth-yl}phenol.

Project description:Mol-ecules of the title compound, C(34)H(38)N(4)O(2), lie across crystallographic inversion centres. The crystal packing can be described by alternating zigzag chains along the c axis in which the molecules are linked by van der Waals interactions. There is an intra-molecular O-H⋯N hydrogen bond and the two benzene rings in the asymmetric unit make a dihedral angle of 79.81 (6)°.

| S-EPMC3344659 | biostudies-literature

4-Bromo-2-({4-[(hy-droxy-imino)-meth-yl]phen-yl}imino-meth-yl)phenol.

Project description:In the title compound, C(14)H(11)BrN(2)O(2), the mean planes of the two benzene rings are almost parallel to each other, making a dihedral angle of 4.09?(1)°. An intra-molecular O-H?N hydrogen bond occurs. In the crystal, inter-molecular O-H?N and C-H?O hydrogen bonds link the mol-ecules into a chain-like supra-molecular structure.

| S-EPMC3007216 | biostudies-literature

2-((E)-{[4-(Hy-droxy-meth-yl)phen-yl]imino}-meth-yl)phenol.

Project description:The title compound, C(14)H(13)NO(2), adopts the enol-imine tautomeric form, with an intra-molecular O-H?N hydrogen bond which generates an S(6) ring motif. The dihedral angle between the aromatic rings is 7.85?(7)°. The crystal structure is stabilized by O-H?O, O-H?N and C-H?O hydrogen bonds, forming a two-dimensional array that stacks along the a axis. In addition, a C-H?? inter-action contributes to the stabilization of the crystal packing.

| S-EPMC3379224 | biostudies-literature

4-[(E)-({4-[Bis-(2-hy-droxy-eth-yl)amino]-phen-yl}imino)-meth-yl]phenol.

Project description:In the title compound, C(17)H(20)N(2)O(3), the amino N atom is in a planar environment (sum of angles = 360.0°). All hy-droxy H atoms are involved in hydrogen bonding. In the crystal structure, two O-H?O and an O-H?N(imino) hydrogen bond result in the formation of a three-dimensional network. The latter hydrogen bonding causes distortion of the planarity of the 4-HO-C(6)H(4)-CH=N-C(6)H(4)- fragment by rotation around the =N-C(Ph) bond. The crystal studied was a non-merohedral twin [refined BASF parameter for the major component = 0.5293?(7)].

| S-EPMC3006715 | biostudies-literature

2-((Z)-{3-[(Z)-(2-Hy-droxy-5-methyl-benzyl-idene)amino]-2,2-dimethyl-prop-yl}imino-meth-yl)-4-methyl-phenol.

Project description:In the title compound, C(21)H(26)N(2)O(2), the dihedral angle between the two benzene rings is 73.47?(16)°. Strong intra-molecular O-H?N hydrogen bonds generate S(6) ring motifs. The substituted benzene rings are twisted around the central quaternary C atom in opposite directions, making a vault geometry.

| S-EPMC3050403 | biostudies-literature

2-[({2-[(2-Hy-droxy-5-meth-oxy-benzyl-idene)amino]-eth-yl}imino)-meth-yl]-4-meth-oxy-phenol.

Project description:The asymmetric unit of the title compound, C(18)H(20)N(2)O(4), contains one-half mol-ecule with an inversion center located at the centroid of the mol-ecule. In the crystal, mol-ecules are linked by C-H?? inter-actions, forming layers parallel to (101). An intra-molecular O-H?N hydrogen bond also occurs.

| S-EPMC3379345 | biostudies-literature

2-{(1E)-1-[(3-{(E)-[1-(2-Hy-droxy-4-meth-oxy-phen-yl)ethyl-idene]amino}-2,2-di-methyl-prop-yl)imino]-eth-yl}-5-meth-oxy-phenol.

Project description:Mol-ecules of the title compound, C(23)H(30)N(2)O(4), are located on a crystallographic mirror plane. The mol-ecule has a curved shape with the dihedral angle formed between the two benzene rings being 55.26?(5)°. Intra-molecular O-H?N hydrogen bonds are noted. In the crystal, supra-molecular layers are formed in the ac plane owing to the presence of C-H?? inter-actions.

| S-EPMC3201500 | biostudies-literature

2,4-Dichloro-6-({2-[(3,5-dichloro-2-hy-droxy-benzyl-idene)amino]-eth-yl}imino-meth-yl)phenol.

Project description:The title mol-ecule, C(16)H(12)Cl(4)N(2)O(2), lies about an inversion center. The symmetry-unique part of the mol-ecule contains an intra-molecular O-H?N hydrogen bond. In the crystal, mol-ecules are arranged in corrugated layers parallel to (-101). Weak ?-? stacking inter-actions, with a centroid-centroid diatance of 3.7923?(13)?Å, are present.

| S-EPMC3379294 | biostudies-literature

2-[(E)-({3-[(E)-(2-Hy-droxy-benzyl-idene)amino-meth-yl]-1,4-dioxaspiro-[4.5]decan-2-yl}meth-yl)imino-meth-yl]phenol.

Project description:In the title compound, C(24)H(28)N(2)O(4), the dioxalane ring has an envelope conformation. The cyclo-hexane ring adopts a chair conformation. The dihedral angle between the benzene rings is 72.5 (3)°. The mol-ecular conformation is stabilized by two intra-molecular O-H⋯N hydrogen-bonding inter-actions with an S(6) graph-set motif. The crystal structure is stabilized by van der Waals inter-actions.

| S-EPMC3394072 | biostudies-literature

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