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Benz-yl(meth-yl)phosphinic acid.

ABSTRACT: The title compound, C(8)H(11)O(2)P, is a phosphinic compound with a tetra-coordinate penta-valent P atom. The phosphinic function plays a predominant role in the cohesion of the crystal structure, both by forming chains along the b axis via strong inter-molecular O-H⋯O hydrogen bonds and by cross-linking these chains perpendicularly via weak inter-molecular C-H⋯O hydrogen bonds, generating a two-dimensional network parallel to (001).

SUBMITTER: Fougere C

PROVIDER: S-EPMC3006977 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Benz-yl(phen-yl)phosphinic acid.

Project description:The title compound, C(13)H(13)O(2)P, crystallized as enanti-omerically pure crystals; for the crystal measured, the P atom has R stereochemistry. The crystal structure displays O-H⋯O hydrogen bonding, which links individual mol-ecules related by a 2(1) screw axis parallel to the crystallographic a-axis direction into continuous chains.

| S-EPMC3089092 | biostudies-literature

Meth-yl(phen-yl)phosphinic acid.

Project description:The crystal structure of the title compound, C(7)H(9)O(2)P, displays O-H?O hydrogen bonding , which links individual mol-ecules related via the c-glide plane and translational symmetry along the crystallographic b-axis direction into continuous chains.

| S-EPMC3213460 | biostudies-other

2-[(4-Chloro-benz-yl)carbonyl-meth-yl]benzoic acid.

Project description:The title compound, C(16)H(13)ClO(3), is an important inter-mediate in the conversion of isocoumarin to 3,4-dihydro-isocoumarin. The two aromatic rings are oriented at a dihedral angle of 67.18 (3)°. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into centrosymmetric dimers. There is also a C-H⋯π contact between the benzoic acid and 4-chloro-benzyl rings.

| S-EPMC2959499 | biostudies-literature

Monoclinic polymorph of 4-[(1H-benz-imidazol-1-yl)meth-yl]benzoic acid.

Project description:Three polymorphs of the title compound, C(15)H(12)N(2)O(2), were obtained accidentally as single crystals in the hydro-thermal reaction of the title compound with manganese bromide in the presence of N,N'-dimethyl-formamide at 373?K. Here we report the structure of the first polymorph. The benzimidazole ring is almost planar, the maximum deviation from the mean plane being 0.016?(1)?Å. The benzimidazole and benzene rings are approximately perpendicular, making a dihedral angle 85.56?(7)°, which is a reflection of the axial rotation of the flexible benzimidazolyl arm. In the crystal, adjacent mol-ecules are connected through O-H?N hydrogen bonds into a chain along [100], and neighboring chains are further linked by via weak C-H?O hydrogen-bonding inter-actions, forming a two-dimensional network.

| S-EPMC3201311 | biostudies-literature

2-[(4-Meth-oxy-benz-yl)imino-meth-yl]phenol.

Project description:In the title Schiff base compound, C(15)H(15)NO(2), prepared from 4-meth-oxy-benzyl-amine and salicyl-aldehyde, an intra-molecular O-H?N hydrogen bonds influences the mol-ecular conformation; the two aromatic rings form a dihedral angle of 73.5?(1)°. In the crystal, weak inter-molecular C-H?O inter-actions link the mol-ecules into chains propagating in [010].

| S-EPMC3011435 | biostudies-literature

rac-Eth-yl(phen-yl)phosphinic acid.

Project description:The crystal structure of the title compound, C8H11O2P, features O-H⋯O hydrogen bonds, which link mol-ecules related by the b-glide plane into chains along [010].

| S-EPMC3589060 | biostudies-literature

(9H-Fluoren-9-yl)(phen-yl)phosphinic acid.

Project description:The crystal structure of the title compound, C19H15O2P, features pairs of mol-ecules joined by O-H?O hydrogen bonds across crystallographic inversion centers. In addition, ?-? inter-actions, with a centroid-centroid distance of 3.6273?(9)?Å between the fluorene ring systems, connect the dimers into chains along [01-1]. The three rings make dihedral angles of 1.34?(9), 1.52?(10) and 1.51?(7)° with each other.

| S-EPMC3588309 | biostudies-literature

2-[(E)-(4-Fluoro-benz-yl)imino-meth-yl]-6-meth-oxy-phenol.

Project description:In the title Schiff base, C(15)H(14)FNO(2), the dihedral angle between the benzene rings is 53.32?(8)°. In the crystal, mol-ecules related by a twofold rotation axis are linked by pairs of C-H?O hydrogen bonds into dimers with R(2) (2)(18) ring motifs. An intra-molecular O-H?N hydrogen bond is also observed.

| S-EPMC3414325 | biostudies-literature

[2-({Benz-yl[2-(benz-yl{5-methyl-2-oxido-3-[(pyridin-2-ylmeth-yl)imino-meth-yl]benz-yl}amino)-eth-yl]aza-nium-yl}meth-yl)-4-methyl-6-[(pyridin-2-ylmeth-yl)imino-meth-yl]phenolato]nickel(II) perchlorate methanol disolvate.

Project description:In the solvated title complex, [Ni(C(46)H(47)N(6)O(2))]ClO(4)·2CH(4)O, the coordination sphere around the Ni(II) ion can be described as distorted cis-NiO(2)N(4) octa-hedral defined by two phenolate O atoms and four N atoms from the hexa-dentate ligand. An intra-molecular bifurcated N-H?(N,O) hydrogen bond helps to establish the conformation of the complex mol-ecule. In the crystal, the components are connected by O-H?O and C-H?O hydrogen bonds.

| S-EPMC3379195 | biostudies-literature

Crystal structure of benz-yl(meth-yl)phen-yl[(piperidin-1-ium-1-yl)meth-yl]silane bromide.

Project description:The title compound, C20H29NSi(+)·Br(-), contains a chiral silicon atom but crystallizes as a racemate. The C-Si-C bond angles in the range of 103.64 (8)-111.59 (9)° are usual for tetra-hedral geometry. The piperidine ring shows a regular chair conformation with an equatorially positioned exocyclic N-C bond. In the crystal, there is a hydrogen bond between the ammonium cation and the bromide anion. The crystal packing shows the dominant inter-molecular inter-action to be the electrostatic attraction between the ammonium cation and the bromide anion.

| S-EPMC4647413 | biostudies-literature

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