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(E)-2'-[(3,5-Di-tert-butyl-2-hy-droxy-benzyl-idene)amino]-1,1'-binaphthalen-2-ol methanol monosolvate.

ABSTRACT: The title compound, C(35)H(35)NO(2)·CH(4)O, was obtained by the reaction of rac-2-amino-2-hy-droxy-1,1-binaphthyl and 3,5-di-tert-butyl-2-hy-droxy-benzaldehyde in absolute methanol. In the Schiff base mol-ecule, the two naphthyl bicycles are twisted by 71.15?(5)°. One hy-droxy group is involved in intra-molecular O-H?N hydrogen bond, while the methanol solvent mol-ecule is linked to another hy-droxy group via an inter-molecular O-H?O hydrogen bond.

SUBMITTER: He D

PROVIDER: S-EPMC3247328 | biostudies-literature | 2011 Nov

REPOSITORIES: biostudies-literature

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(E)-2'-[(3,5-Di-tert-butyl-2-hy-droxy-benzyl-idene)amino]-1,1'-binaphthalen-2-ol methanol monosolvate.

He Dian D Li Chong C Wang Xiaohong X

Acta crystallographica. Section E, Structure reports online 20111012 Pt 11

The title compound, C(35)H(35)NO(2)·CH(4)O, was obtained by the reaction of rac-2-amino-2-hy-droxy-1,1-binaphthyl and 3,5-di-tert-butyl-2-hy-droxy-benzaldehyde in absolute methanol. In the Schiff base mol-ecule, the two naphthyl bicycles are twisted by 71.15 (5)°. One hy-droxy group is involved in intra-molecular O-H⋯N hydrogen bond, while the methanol solvent mol-ecule is linked to another hy-droxy group via an inter-molecular O-H⋯O hydrogen bond. ...[more]

PMID: 22219946

Similar Datasets

Crystal structure of trans-N,N'-bis-(3,5-di-tert-butyl-2-hy-droxy-phen-yl)oxamide methanol monosolvate.

Project description:The here crystallized oxamide was previously characterized as an unsolvated species [Jímenez-Pérez et al. (2000 ▸). J. Organomet. Chem. 614-615, 283-293], and is now reported with methanol as a solvent of crystallization, C30H44N2O4·CH3OH, in a different space group. The introduction of the solvent influences neither the mol-ecular symmetry of the oxamide, which remains centrosymmetric, nor the mol-ecular conformation. However, the unsolvated mol-ecule crystallized as an ordered system, while many parts of the solvated crystal are disordered. The hy-droxy group in the oxamide is disordered over two chemically equivalent positions, with occupancies 0.696 (4):0.304 (4); one tert-butyl group is disordered by rotation about the C-C bond, and was modelled with three sites for each methyl group, each one with occupancy 1/3. Finally, the methanol solvent, which lies on a twofold axis, is disordered by symmetry. The disorder affecting hy-droxy groups and the solvent of crystallization allows the formation of numerous supra-molecular motifs using four hydrogen bonds, with N-H and O-H groups as donors and the oxamide and methanol mol-ecule as acceptors.

| S-EPMC4992906 | biostudies-literature

3-Chloro-N'-(3,5-dibromo-2-hy-droxy-benzyl-idene)benzohydrazide methanol monosolvate.

Project description:The title Schiff base compound, C(14)H(9)Br(2)ClN(2)O(2)·CH(3)OH, features an intra-molecular O-H⋯N hydrogen bond, which contributes to the planarity of the mol-ecule: the dihedral angle between the two benzene rings is 4.6 (2)°. In the crystal, pairs of adjacent mol-ecules are linked through inter-molecular N-H⋯O and O-H⋯O hydrogen bonds, forming dimers. The methanol solvent mol-ecule is linked by inter-molecular O-H⋯O hydrogen bonds.

| S-EPMC3051720 | biostudies-literature

N'-(3,5-Dibromo-2-hy-droxy-benzyl-idene)-4-nitro-benzohydrazide methanol monosolvate.

Project description:The title compound, C(14)H(9)Br(2)N(3)O(4)·CH(4)O, was obtained as the product of the reaction of 3,5-dibromo-salicyl-aldehyde with 4-nitro-benzohydrazide in methanol. The benzohydrazide mol-ecule is nearly planar, with a maximum deviation of 0.126 (2) Å. The mean planes of the two benzene rings make a dihedral angle of 9.3 (3)°. Intra-molecular O-H⋯N and O-H⋯Br inter-actions are observed in the benzohydrazide mol-ecule. In the crystal, pairs of adjacent benzohydrazide mol-ecules are linked by two methanol mol-ecules through inter-molecular O-H⋯O and N-H⋯O hydrogen bonds, forming a dimer.

| S-EPMC3200651 | biostudies-literature

(E)-4-Hy-droxy-N'-(2-hy-droxy-3,5-diiodo-benzyl-idene)-3-meth-oxy-benzohydrazide methanol monosolvate.

Project description:In the title compound, C(15)H(12)I(2)N(2)O(4)·CH(3)OH, the hydrazone mol-ecule exists in an E conformation with respect to the C=N bond. The dihedral angle between the rings is 11.9 (2)°. There is one intra-molecular O-H⋯N hydrogen bond in the hydrazone mol-ecule. In the crystal, the hydrazone and methanol mol-ecules are linked through O-H⋯O and N-H⋯O hydrogen bonds and C-H⋯O inter-actions to form two-dimensional networks lying parallel to (001).

| S-EPMC3295446 | biostudies-literature

Ethyl 4-[(3,5-di-tert-butyl-2-hy-droxy-benzyl-idene)-amino]-benzoate.

Project description:The title compound, a Schiff base, C(24)H(31)NO(3), has a substituted aromatic ring at both ends of the azomethine linkage and these make a dihedral angle of 24.9?(1)°. There is an intra-molecular hydrogen bond between the hy-droxy group (donor) and the N atom of themazomethine linkage.

| S-EPMC3009105 | biostudies-literature

N'-(3,5-Dichloro-2-hy-droxy-benzyl-idene)-4-(dimethyl-amino)-benzohydrazide methanol monosolvate.

Project description:The title compound, C(16)H(15)Cl(2)N(3)O(2)·CH(3)OH, a Schiff base molecule, is prepared by the reaction of 3,5-dichloro-salicyl-aldehyde with 4-dimethyl-amino-benzohydrazide in methanol. The Schiff base mol-ecule is approximately planar, with a mean deviation from the least-squares plane defined by the non-H atoms of 0.0452?(3)?Å, and with a dihedral angle between the benzene rings of 4.2?(3)°. This planarity is assisted by the formation of an intra-molecular O-H?N hydrogen bond. In the crystal, adjacent Schiff base mol-ecules are linked by two methanol mol-ecules through N-H?O and O-H?O hydrogen bonds, forming dimers.

| S-EPMC3344003 | biostudies-literature

Phenyl 3,5-di-tert-butyl-2-hy-droxy-benzoate.

Project description:The title mol-ecule, C(21)H(26)O(3), has a six-membered planar carbon ring as the central core, substituted at position 1 with phen-oxy-carbonyl, at position 2 with hy-droxy and at positions 3 and 5 with tert-butyl groups. The structure shows two independent but very similar mol-ecules within the asymmetric unit. For both independent mol-ecules, the ester carboxyl-ate group is coplanar with the central core, as reflected by the small C-C-O-C torsion angles [179.95?(17) and 173.70?(17)°]. In contrast, the phenyl substituent is almost perpendicular to the carboxyl-ate -CO(2) fragment, as reflected by C-O-C-C torsion angles, ranging from 74 to 80°. The coplanarity between the central aromatic ring and the ester carboxyl-ate -CO(2)- group allows the formation of an intra-molecular hydrogen bond, with O?O distances of 2.563?(2) and 2.604?(2)?Å.

| S-EPMC3011503 | biostudies-literature

(E)-4-Hy-droxy-N'-(2-hy-droxy-5-iodo-benzyl-idene)benzohydrazide methanol monosolvate.

Project description:In the title compound, C(14)H(11)IN(2)O(3)·CH(4)O, the dihedral angle between the benzene rings is 33.2 (3)°. The mol-ecule displays trans and anti conformations about the C=N and N-N bonds, respectively. There is an intra-molecular O-H⋯N(azomethine) hydrogen bond. Inter-molecular N-H⋯O and O-H⋯O hydrogen bonds consolidate mol-ecules into a three-dimensional architecture.

| S-EPMC3435718 | biostudies-literature

tert-Butyl N-{(1S)-1-[(2,4-dihy-droxy-benzyl-idene)hydrazinecarbon-yl]-2-hy-droxy-eth-yl}carbamate ethanol monosolvate.

Project description:The mol-ecule of the title ethanol solvate, C(15)H(21)N(3)O(6)·C(2)H(6)O, adopts a curved shape; the conformation about the imine bond [N=N = 1.287 (3) Å] is E. The amide residues occupy positions almost orthogonal to each other [dihedral angle = 85.7 (2)°]. In the crystal, a network of O-H⋯O, O-H⋯N and N-H⋯O hydrogen bonds leads to the formation of supra-molecular arrays in the ab plane with the ethanol mol-ecules lying to the periphery on either side. Disorder in the solvent ethanol mol-ecule was evident with two positions being resolved for the C atoms [site occupancy of the major component = 0.612 (10)].

| S-EPMC3052090 | biostudies-literature

7-[(3,5-Di-tert-butyl-2-hy-droxy-benzyl-idene)amino]-4-methyl-2H-chromen-2-one.

Project description:The title compound, C(25)H(29)NO(3), is a Schiff base derivative of coumarin 120. There are two structurally similar but crystallographically independent mol-ecules in the asymmetric unit. Both mol-ecules exist in E configurations with respect to the C=N double bonds. The dihedral angles between the coumarin and 3,5-di-tert-butyl-2-hy-droxy-benzyl-idene ring planes are 4.62 (7) and 14.62 (7)° for the two mol-ecules. Intra-molecular O-H⋯N hydrogen bonding involving the O-H groups and the azomethine N atoms generate S(6) rings. In the crystal structure, independent mol-ecules are linked by C-H⋯π inter-actions, with groups of four mol-ecules stacked along the c axis.

| S-EPMC2983148 | biostudies-literature

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