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Trans-4-(Phenoxy-meth-yl)cyclo-hexane-carboxylic acid.

ABSTRACT: The title compound, C(14)H(18)O(3), is an important model compound in the synthesis of phenolic ethers. The cyclo-hexane ring adopts a chair conformation. In the crystal structure, adjacent mol-ecules are linked by O-H⋯O hydrogen bonds.

SUBMITTER: Yang J

PROVIDER: S-EPMC2960961 | biostudies-literature |

REPOSITORIES: biostudies-literature

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trans-4-(Tosyl-oxymeth-yl)cyclo-hexane-carboxylic acid.

Project description:The title compound, C(15)H(20)O(5)S, is an inter-mediate in the synthesis of a new type of poly(amido-amine) (PAMAM) dendrimer. The cyclo-hexane ring exhibits a chair conformation, with C-C bond lengths in the range 1.518 (3)-1.531 (3) Å and C-C-C angles in the range 110.45 (19)-112.09 (19)°; these agree well with the values in other cyclo-hexane derivatives described in the literature. In the crystal structure, adjacent mol-ecules are linked by O-H⋯·O hydrogen bonds. The H atoms of the methyl group are disordered equally over two positions.

| S-EPMC2960345 | biostudies-literature

4-[(4-Meth-oxy-benzene-sulfonamido)-meth-yl]cyclo-hexane-1-carb-oxy-lic acid.

Project description:In the title compound, C(15)H(21)NO(5)S, two crystallographically independent mol-ecules are linked into a dimer by a pair of N-H⋯O hydrogen bonds, forming an R(2) (2)(8) ring motif. In the crystal, mol-ecules are further linked by inter-molecular O-H⋯O hydrogen bonds into a two-dimensional network parallel to (012). Additional stabilization is provided by weak inter-molecular C-H⋯O hydrogen bonds.

| S-EPMC3200917 | biostudies-literature

trans-4-[(Phenyl-sulfon-yloxy)meth-yl]cyclo-hexa-necarboxylic acid.

Project description:The title compound, C(14)H(18)O(5)S, is an important inter-mediate for the synthesis of poly(amido-amine) dendrimers. The cyclo-hexane ring adopts a chair conformation with its two substituents in equatorial positions. In the crystal structure, mol-ecules form centrosymmetric dimers via O-H?O hydrogen bonds.

| S-EPMC2960730 | biostudies-literature

Low-temperature redetermination of trans-cyclo-hexane-1,2-dicarboxylic acid.

Project description:The mol-ecule of the title compound, C(8)H(12)O(4), lies on a twofold rotation axis that passes through the mid-points of two opposite C-C bonds of the ring. Carboxyl groups of adjacent mol-ecules are linked by pairs of hydrogen bonds around a centre of inversion; this inter-action gives rise to a chain that runs along [101].

| S-EPMC2961601 | biostudies-literature

Crystal structure of 4-{[(2,4-di-hydroxy-benzyl-idene)amino]-meth-yl}cyclo-hexane-carb-oxy-lic acid.

Project description:In the title compound, C15H19NO4, the cyclo-hexyl ring adopts a chair conformation with both exocyclic C-C bonds in equatorial orientations. The dihedral angle between the basal plane of cyclo-hexyl ring and the 2,4-di-hydroxy-benzaldehyde moiety is 84.13 (13)°. An intra-molecular O-H⋯N hydrogen bonds closes an S(6) ring. In the crystal, Oc-H⋯Op (c = carb-oxy-lic acid, p = phenol) hydrogen bonds link the mol-ecules into [100] C(13) chains whereas an Op-H⋯Oc hydrogen bond generates [101] C(15) chains. Together, these bonds generate (010) sheets incorporating R 2 (2)(20) loops. Weak C-H⋯O and C-H⋯π inter-actions also occur.

| S-EPMC4719941 | biostudies-literature

Poly[1,4-bis-(ammonio-meth-yl)cyclo-hexane [di-?-iodido-diiodido-plumbate(II)]].

Project description:The title compound, {(C(8)H(20)N(2))[PbI(4)]}(n), is an inorganic-organic hybrid. The structure is composed of alternate layers of two-dimensional corner-sharing PbI(6) octa-hedra ( symmetry) and 1,4-bis-(ammonio-meth-yl)cyclo-hexane cations ( symmetry) extending parallel to the bc plane. The cations inter-act with the inorganic layer via N-H?I hydrogen bonding in the right-angled halogen sub-type of the terminal halide hydrogen-bonding motif.

| S-EPMC2979548 | biostudies-literature

Crystal structure of {2,2'-[N,N'-bis-(pyridin-2-yl-meth-yl)cyclo-hexane-trans-1,2-diyldi(nitrilo)]di-acetato}-cobalt(III) hexa-fluorido-phosphate.

Project description:The title compound [Co(C22H26N4O4)]PF6, commonly known as [Co(bpcd)]PF6, where bpcd(2-) is derived from the historical ligand name N,N'-bis-(2-pyridyl-meth-yl)-trans-1,2-di-amino-cyclo-hexane-N,N'-di-acetate, crystallized by slow evaporation of a saturated aceto-nitrile solution in air. The cation of the hexa-fluorido-phosphate salt has the Co(III) atom in a distorted octa-hedral coordination geometry provided by an N4O2 donor atom set. The acetate groups, which are oriented trans with respect to each other, exhibit monodentate coordination whereas the pyridyl N atoms are coordinating in a cis configuration. The geometry of the cation is compared to the geometries of other di-amino di-acetate complexes with Co(III).

| S-EPMC4438832 | biostudies-literature

Crystal structure of 2-[chloro-(4-meth-oxy-phen-yl)meth-yl]-2-(4-meth-oxy-phen-yl)-5,5-di-methyl-cyclo-hexane-1,3-dione.

Project description:In the title compound, C23H25ClO4, the cyclo-hexane ring adopts a chair conformation with the 4-meth-oxy-phenyl substituent in an axial position and the chloro-(4-meth-oxy-phen-yl)methyl substituent in an equatorial position. The packing features inversion dimers formed by pairs of C-H⋯O contacts and strands along [100] and [010] established by further C-H⋯O and C-H⋯Cl contacts, respectively.

| S-EPMC4778832 | biostudies-literature

N-(4-Chloro-phen-yl)-4-meth-oxy-3-(propanamido)-benzamide cyclo-hexane hemisolvate.

Project description:The title compound, C(17)H(17)ClN(2)O(3)·0.5C(6)H(12), was prepared by the condensation reaction of 4-meth-oxy-3-(propanamido)-benzoic acid with 4-chloro-aniline. The Cl atom, the propionyl CH(3) group and the cyclo-hexyl CH(2) group are disordered over two sets of sites of equal occupancy in both mol-ecules. The cyclo-hexane solvent mol-ecule is disordered over two orientations which were modelled with relative occupancies of 0.484 (4) and 0.516 (4). In the crystal, there are a number of N-H⋯O hydrogen bonds, forming layers perpendicular to (001).

| S-EPMC3344590 | biostudies-literature

(1S,2R,4S)-1-[(Benzyl-amino)-meth-yl]-4-(prop-1-en-2-yl)cyclo-hexane-1,2-diol.

Project description:The title compound, C(17)H(25)NO(2), was synthesized by epoxidation of the double bond of (S)-perillyl alcohol [(S)-4-isopropenyl-1-cyclo-hexenyl-methanol], followed by the oxirane ring-opening by benzyl-amine using [Ca(CF(3)CO(2))(2)] as catalyst under solvent-free condition at 313?K. The mol-ecular conformation is stabilized by an intra-molecular O-H?N hydrogen bond. In the crystal, mol-ecules are linked by inter-molecular N-H?O hydrogen bonds, forming chains parallel to the a axis, which are further connected by O-H?O hydrogen bonds into sheets parallel to (010). The absolute configuration of the mol-ecule is known from the synthetic procedure.

| S-EPMC3050382 | biostudies-literature

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