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September 2018 issue
metal-organic compounds
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The crystal structure of the title salt is composed of alternating rows of bis(2-(aminomethyl)pyridine-κ2N,N′)platinum(II) cations and hexafluoridophosphate anions.
CCDC reference: 1864971
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The central ZnII cation has a distorted tetragonal N2O2 coordination sphere defined by two monodentate p-chlorophenoxyacetate ligands and a chelating ethylenediamine ligand.
CCDC reference: 1865841
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The title compound, is a cobalt(III) dibromide complex having two (ethylene-1,2-diamine) ligands coordinating cis to each other.
CCDC reference: 1867356
organic compounds
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The asymmetric unit of the compound contains two independent molecules with different orientations about the hydrazone bond. The molecular packing features N—H⋯O hydrogen bonds that lead to a twisted supramolecular chain along the b-axis direction.
CCDC reference: 1859548
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The asymmetric unit of the title compound comprises one half-molecule, the other half being generated by a center of inversion. The piperidine ring adopts a chair conformation. A short intramolecular C—H⋯N hydrogen bond stabilizes the molecule and forms an S(6) motif.
CCDC reference: 943697
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The synthesis and crystal structure of a biologically important pharmacophore containing flavone is reported.
CCDC reference: 1866882
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In the title compound, the seven-membered ring has a twisted envelope conformation and the saturated six-membered ring a chair conformation. In the crystal, N—H⋯O, N—H⋯S, O—H⋯S hydrogen bonds and C—H⋯π interactions link both main and solvent molecules into layers lying parallel to (101).
CCDC reference: 1866809
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The (dimethylamino)phenyl ring and the chromanone ring system are linked via an α-β unsaturated carbon bridge. The dihedral angle between the two terminal phenyl rings is 29.66 (6)°. The tetrahydro-4H-pyran-4 one ring in the chromanone moiety adopts a sofa conformation.
CCDC reference: 1846995
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The indene and thiazole rings adopt an envelope conformation while the pyrrole ring adopts a twisted conformation. The crystal structure is stabilized by intermolecular C—H⋯·O and C—H⋯·N hydrogen bonds.
CCDC reference: 1867229
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The synthesis and crystal structure of a biologically important pharmacophore containing flavonol is reported.
CCDC reference: 1868441
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The fused ring system in 8,9-dimethoxybenzo[b]naphtho[2,3-d]thiophene is almost planar.
CCDC reference: 1590246
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The fused triazolopyrimidine ring system of the title molecule is planar with the pent-4-enoate substituent nearly orthogonal to it. In the crystal, inversion-related C—H⋯O hydrogen bonds form dimers which are linked into chains extending along the a-axis direction by inversion-related C—H⋯π(ring) interactions.
CCDC reference: 1866951
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The morpholine ring of the title compound adopts a chair conformation with the exocyclic N—C bond in an equatorial orientation.
CCDC reference: 1860342
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The crystal structure of C27H22N4O2 is characterized by N—H⋯N hydrogen bonds connecting the molecules into zigzag chains running along the b-axis direction.
CCDC reference: 1576945
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Re-refinement of the crystal structure against the original diffraction data after correct H-atom placement proves that `bis glycine' squaric acid is in fact the previously reported diglycinium squarate.
CCDC reference: 1832495
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The title compound, C6H10N3O2+·I−, contains a protonated L-histidine molecule as cation and an iodine anion. The crystal packing is controlled by intermolecular N—H⋯O and N—H⋯I hydrogen bonds.
CCDC reference: 1865975
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The crystal structure the title compound has a two-dimensional layer structure.
CCDC reference: 1868352
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The title compound crystallizes in two-dimensional sheets in which 2-(pentyloxy)dibenzo[b,d]furan molecules are arranged in a head-to-head and tail-to-tail fashion that enables hydrophobic interactions between fully extended 2-pentoxy chains and π–π stacking between dibenzofuran rings in adjacent rings.
CCDC reference: 1867924
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Three independent but conformationally similar molecules, showing intramolecular N—H⋯O hydrogen-bonded ring formation, are present in the asymmetric unit. In the crystal, C—H⋯O interactions give rise to a supramolecular sheet structure.
CCDC reference: 1868829