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2-{[(2-Hy-droxy-3,5-dimethyl-benz-yl)(meth-yl)amino]-meth-yl}-4,6-dimethyl-phenol.

ABSTRACT: In the title compound, C(19)H(25)NO(2), the dihedral angle between the benzene rings is 53.15?(8)°. One of the -OH groups forms an intra-molecular O-H?N link, generating an S(6) ring. The other -OH group forms an inter-molecular O-H?N hydrogen bond in the crystal, generating centrosymmetric R(2) (2)(20) loops.

SUBMITTER: Veranitisagul C

PROVIDER: S-EPMC3379400 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature

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2-{[(2-Hy-droxy-3,5-dimethyl-benz-yl)(meth-yl)amino]-meth-yl}-4,6-dimethyl-phenol.

Veranitisagul Chatchai C Wattanathana Worawat W Kaewvilai Attaphon A Duangthongyou Tanwawan T Laobuthee Apirat A Koonsaeng Nattamon N

Acta crystallographica. Section E, Structure reports online 20120519 Pt 6

In the title compound, C(19)H(25)NO(2), the dihedral angle between the benzene rings is 53.15 (8)°. One of the -OH groups forms an intra-molecular O-H⋯N link, generating an S(6) ring. The other -OH group forms an inter-molecular O-H⋯N hydrogen bond in the crystal, generating centrosymmetric R(2) (2)(20) loops. ...[more]

PMID: 22719598

Similar Datasets

rac-4-Chloro-2-[({2-[(3-chloro-6-hy-droxy-2,4-dimethyl-benz-yl)(meth-yl)amino]-prop-yl}(meth-yl)amino)-meth-yl]-3,5-dimethyl-phenol.

Project description:The title compound, C(23)H(32)Cl(2)N(2)O(2), a potential chiral ligand for coordination chemistry, was prepared by a two-step reaction. The mol-ecule is located on a crystallographic centre of inversion. As a result, the methyl group bonded to the methyl-ene group is disordered over two equally occupied positions, sharing the same site as the H atom of the chiral C atom. As a further consequence of the crystallographic centrosymmetry, the 1,2-diamino-propane unit adopts an anti-periplanar conformation and the two benzene rings are coplanar. The central chain is in an all-trans arrangement. An intra-molecular O-H?N hydrogen bond makes an S(6) ring motif. A C-H?? inter-action links the mol-ecules into one-dimensional chains along the [001] direction.

| S-EPMC3470356 | biostudies-literature

2-((E)-{3-[(E)-2-Hy-droxy-3,5-diiodo-benzyl-idene-amino]-2,2-dimethyl-prop-yl}imino-meth-yl)-4,6-diiodo-phenol.

Project description:The asymmetric unit of the title compound, C(19)H(18)I(4)N(2)O(2), comprises a potentially tetra-dentate Schiff base ligand. The disordered H atoms on the N and O atoms were refined with site occupancies of 0.54?(8)/0.46?(8) and 0.59?(7)/0.41?(7), respectively. The dihedral angle between the benzene rings is 73.3?(3)°. Intra-molecular O-H?N and N-H?O hydrogen bonds make S(6) ring motifs. Short I?I [3.8919?(7)?Å] and I?Cg [Cg is a ring centroid; 3.911?(2)?Å] contacts are present in the crystal structure. The crystal structure is further stabilized by inter-molecular ?-? inter-actions [centroid-to-centroid distance = 3.827?(3)?Å].

| S-EPMC3297293 | biostudies-literature

2-[(Z)-(3-{[(Z)-2-Hy-droxy-3,5-diiodo-benzyl-idene]amino}-propyl-imino)-meth-yl]-4,6-diiodo-phenol.

Project description:In the title compound, C(17)H(14)I(4)N(2)O(2), there are two intra-molecular O-H⋯N hydrogen bonds, which make S(6) ring motifs. In the crystal, there are no significant inter-molecular inter-actions present.

| S-EPMC3414953 | biostudies-literature

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

Project description:The asymmetric unit of the title compound, C(18)H(16)Cl(4)N(2)O(2), comprises half of a potentially tetra-dentate Schiff base ligand. It is located about a twofold rotation axis that bis-ects the central C-C bond of the butane-1,4-diamine group. There are two intra-molecular O-H⋯N hydrogen bonds making S(6) ring motifs. In the crystal, mol-ecules are linked by pairs of weak C-H⋯Cl inter-actions, forming inversion dimers, which are further connected by C-H⋯O hydrogen bonds into two-dimensional frameworks that lie parallel to (001).

| S-EPMC3394034 | biostudies-literature

4,6-Dibromo-2-[(E)-(4-{[(E)-3,5-dibromo-2-hy-droxy-benzyl-idene]amino}-butyl)-imino-meth-yl]phenol.

Project description:The asymmetric unit of the title compound, C(18)H(16)Br(4)N(2)O(2), comprises half the molecule, which is located adjacent to an inversion centre at the mid-point of the central C-C bond of the butane-1,4-diamine segment. There are two intra-molecular O-H⋯N hydrogen bonds making S(6) ring motifs. In the crystal, mol-ecules are linked by pairs of weak C-H⋯Br inter-actions into chains along [101], which include R(2) (2)(8) ring motifs. These chains are further linked by C-H⋯O hydrogen bonds, forming a three-dimensional network.

| S-EPMC3394053 | biostudies-literature

2-[(2-Hy-droxy-benz-yl)amino]-pyrazinium perchlorate-2-[(pyrazin-2-yl-amino)-meth-yl]phenol (1/1).

Project description:In the crystal structure of the title co-crystal, C(11)H(12)N(3)O(+)·ClO(4) (-)·C(11)H(11)N(3)O, the perchlorate ion is disordered about a twofold rotation axis with the Cl atom located on the twofold rotation axis; the 2-[(2-hy-droxy-benz-yl)amino]-pyrazinium cation and the neutral 2-[(pyrazin-2-yl-amino)-meth-yl]phenol mol-ecule are disordered about the rotation axis in a 1:1 ratio. These two are connected by a pyrazine-pyrazine N(1)-H⋯N(4) hydrogen bond. The cation, whose two aromatic rings are twisted along the -CH(2)-NH- bond by 76.8 (1)°, is a hydrogen-bond donor to the perchlorate ion through the N atom of this link.

| S-EPMC3414930 | biostudies-literature

2,4-Di-tert-butyl-6-({[2-(di-methyl-amino)-eth-yl](2-hy-droxy-benz-yl)amino}-meth-yl)phenol.

Project description:The title compound, C26H40N2O2, has both its N atoms in trigonal-pyramidal geometries. The mol-ecular structure is stabilized by O-H?N and C-H?O hydrogen bonds. In the crystal, C-H?? inter-actions lead to the formation of a supramolecular helical chain along the b-axis direction.

| S-EPMC4051019 | biostudies-literature

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

Project description:In the title compound, C(19)H(18)Cl(4)N(2)O(2), a potential tetra-dentate Schiff base ligand, the dihedral angle between the two benzene rings is 48.01?(10)°. The configuration about the two C=N bonds is E and two intra-molecular O-H?N hydrogen bonds make S(6) ring motifs. In the crystal, mol-ecules are linked along the b axis via inter-molecular C-H?Cl inter-actions. The crystal structure is further stabilized by an inter-molecular ?-? inter-action [centroid-centroid distance = 3.5744?(12)?Å].

| S-EPMC3254485 | biostudies-other

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

Crystal structure of 3-[({2-[bis-(2-hy-droxy-benz-yl)amino]-eth-yl}(2-hy-droxy-benz-yl)amino)-meth-yl]-2-hydroxy-5-methyl-benzaldehyde.

Project description:The non-symmetric title mol-ecule, C32H34N2O5, is based on a tetra-substituted ethyl-enedi-amine backbone. The mol-ecular structure consists of three hy-droxy-benzyl groups and one 2-hy-droxy-5-methyl-benzaldehyde group bonded to the N atoms of the di-amine unit. The ethyl-enedi-amine skeleton shows a regular extended conformation, while the spatial orientation of the phenol arms is governed by hydrogen bonds. In the 2-hy-droxy-5-methyl-benzaldehyde group, an intra-molecular S(6) O-H?O hydrogen bond is observed between the alcohol and aldehyde functions, and the neighbouring phenol arm participates in an intra-molecular S(6) O-H?N hydrogen bond. The third phenol group is involved in a bifurcated intra-molecular hydrogen bond with graph-set notation S(6) for O-H?N and O-H?O intra-molecular hydrogen bonds between neighbouring amine and phenol arms, respectively. Finally, the fourth phenol group acts as an acceptor in a bifurcated intra-molecular hydrogen bond and also acts as donor in an inter-molecular hydrogen bond, which connects inversion-related mol-ecules into dimers with R 4 (4)(8) ring motifs.

| S-EPMC4257411 | biostudies-literature

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