Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

(E,E)-2,2'-[1,1'-(Cyclohexane-1,2-diyl-dinitrilo)diethylidyne]diphenol.

ABSTRACT: The title compound, C(22)H(26)N(2)O(2), is chiral; the absolute configuration follows from the known chirality of the input reagents. The asymmetric unit contains two crystallographically independent mol-ecules in different orientations. The two mol-ecules are related to each other by a non-crystallographic twofold rotation axis, while each mol-ecule exhibits a further pseudo-twofold axis. Bond distances and angles are similar in the two mol-ecules. Inter-molecular C-H??(ring) inter-actions and intra-molecular O-H?N hydrogen bonds are observed in the crystal structure.

SUBMITTER: Chen F

PROVIDER: S-EPMC2960556 | biostudies-literature | 2008 Aug

REPOSITORIES: biostudies-literature

ACCESS DATA

Json Xml

Publications

(E,E)-2,2'-[1,1'-(Cyclohexane-1,2-diyl-dinitrilo)diethylidyne]diphenol.

Chen Fang F Ye Heng-Yun HY

Acta crystallographica. Section E, Structure reports online 20080816 Pt 9

The title compound, C(22)H(26)N(2)O(2), is chiral; the absolute configuration follows from the known chirality of the input reagents. The asymmetric unit contains two crystallographically independent mol-ecules in different orientations. The two mol-ecules are related to each other by a non-crystallographic twofold rotation axis, while each mol-ecule exhibits a further pseudo-twofold axis. Bond distances and angles are similar in the two mol-ecules. Inter-molecular C-H⋯π(ring) inter-actions and ...[more]

PMID: 21201739

Similar Datasets

2,2'-[1,1'-(Decane-1,10-diyldioxy-dinitrilo)diethyl-idyne]diphenol.

Project description:The salen-type bis-oxime title compound, C(26)H(36)N(2)O(4), lies about a crystallographic inversion centre. Classical intra-molecular O-H?N hydrogen bonds generate two S(6) ring motifs. In the crystal structure, pairs of weak inter-molecular C-H?O hydrogen bonds link adjacent mol-ecules into an infinite one-dimensional supra-molecular structure.

| S-EPMC2977177 | biostudies-literature

2,2'-[1,1'-(Hexane-1,6-diyldioxy-dinitrilo)diethyl-idyne]diphenol.

Project description:The molecule of the title compound, C(22)H(28)N(2)O(2), lies across an inversion centre with one half-mol-ecule in the asymmetric unit. The mol-ecule adopts an E configuration with respect to the azomethine C=N bond and the imino group is coplanar with the aromatic ring. Within the mol-ecule, the planar units are parallel, but extend in opposite directions from the hexa-methyl-ene bridge. There are intra-molecular O-H?N hydrogen bonds between the hydroxyl groups and the oxime N atoms. There are also weak inter-molecular C-H?O bonds that link each mol-ecule to two others, forming chains along the a axis.

| S-EPMC2960586 | biostudies-literature

2,2'-[1,1'-(Propane-1,3-diyldioxy-dinitrilo)diethyl-idyne]diphenol.

Project description:The title compound, C(19)H(22)N(2)O(4), was synthesized by the reaction of 2'-hydroxy-acetophenone with 1,3-bis-(amino-oxy)propane in ethanol. Intra-molecular O-H⋯N and weak C-H⋯O hydrogen bonds stabilize the three-dimensional structure. A twofold rotation axis passes through the molecule.

| S-EPMC2961531 | biostudies-literature

1-Phenylethane-1,2-diyl 1,1'-biphenyl-2,2'-dicarboxylate.

Project description:In the title compound, C(22)H(16)O(4), the 7-phenyl ring is inclined at dihedral angles of 36.73 (9) and 69.37 (9)° with respect to the biphenyl benzene rings. The two benzene rings of the biphenyl unit form a dihedral angle of 55.99 (8)°. There are no significant hydrogen bonds observed in the crystal of this compound.

| S-EPMC3344650 | biostudies-literature

2,2'-{1,1'-[Pentane-1,5-diyl-bis(oxy-nitrilo)]-diethyl-idyne}diphenol.

Project description:In the title compound, C(21)H(26)N(2)O(4), there is half a mol-ecule in the asymmetric unit with a crystallographic twofold rotation axis passing through the central C atom of the -CH=N-O-(CH(2))(5)-O-N=CH- bridge. The dihedral angle formed by the two benzene rings is 80.85 (2)°. Strong intra-molecular O-H⋯N and C-H⋯O hydrogen bonds help to establish the molecular conformation. There are also weak inter-molecular π-π stacking inter-actions between neighbouring benzene rings [centroid-centroid separation = 3.502 (3) Å].

| S-EPMC2959680 | biostudies-literature

2,2'-[1,1'-(Octane-1,8-diyldioxy-dinitrilo)diethyl-idyne]diphenol.

Project description:The title compound, C(24)H(32)N(2)O(4), has a crystallographic inversion centre at the mid-point of the central C-C bond. At each end of the mol-ecule, intra-molecular O-H?N hydrogen bonds generate six-membered S(6) ring motifs. The crystal structure is stabilized by pairs of weak inter-molecular C-H?O hydrogen bonds that link neighbouring mol-ecules into R(2) (2)(40) ring motifs, which in turn form infinite one-dimensional supra-molecular ribbon structures.

| S-EPMC2970437 | biostudies-other

6,6'-Dieth-oxy-2,2'-[propane-1,2-diyl-bis(nitrilo-methyl-idyne)]diphenol.

Project description:In the title mol-ecule, C(21)H(26)N(2)O(4), the dihedral angle between the two benzene rings is 88.4?(3)°. Two fairly strong intra-molecular O-H?N hydrogen bonds may, in part, influence the mol-ecular conformation.

| S-EPMC2968515 | biostudies-literature

1-(2-Bromophenyl)ethane-1,2-diyl 1,1'-biphenyl-2,2'-dicarboxylate.

Project description:In the title compound, C(22)H(15)BrO(4), the bromo-benzene ring is inclined at dihedral angles of 23.87 (11) and 52.37 (11)° with respect to the planes of the two benzene rings. The two benzene rings of the biphenyl unit form a dihedral angle of 49.08 (11)°. In the crystal, mol-ecules are linked into [100] chains by C-H⋯O hydrogen bonds.

| S-EPMC3344651 | biostudies-literature

{2,2'-[1,1'-(3-Aza-pentane-1,5-diyl-dinitrilo)diethyl-idyne]diphenolato}(piperidine)cobalt(III) tetra-phenyl-borate.

Project description:The title compound, [Co(C(20)H(23)N(3)O(2))(C(5)H(11)N)](C(24)H(20)B) or [Co{(Me-sal)(2)dien}(pprdn)]BPh(4), where (Me-sal)(2)dien is 2,2'-[1,1'-(3-aza-pentane-1,5-diyldinitrilo)diethyl-idyne]diphenolate and pprdn is piperidine, contains a penta-dentate (Me-sal)(2)dien ligand furnishing an N(3)O(2) set, such that two of the N and one of the O atoms of the salicyl-idene rings define three positions of an equatorial plane, whereas the secondary amine N atom and the other O atom of the salicyl-idene lie in axial positions. The piperidine ligand occupies an equatorial position trans to one of the imine N atoms of the salicyl-idene. In the observed conformation of the penta-dentate ligand, the salicyl-idene rings attain asymmetrical positions owing to the structural demands. The geometry of the resulting CoN(4)O(2) coordination can be described as distorted octa-hedral. The asymetric unit contains two formula units.

| S-EPMC2960776 | biostudies-literature

2,2'-(1,1'-Azinodiethyl-idyne)diphenol.

Project description:In the title mol-ecule, C(16)H(16)N(2)O(2), the C-N bond lengths are 1.295 (5) and 1.300 (5) Å, which suggests that they are double bonds. The structure is stabilized by intra-molecular O-H⋯N and C-H⋯N, and inter-molecular C-H⋯O hydrogen-bond inter-actions.

| S-EPMC2961071 | biostudies-literature

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data