Results 11 to 20 of about 741,265 (208)

Crystal structures of three N-(arylsulfonyl)-4-fluorobenzamides

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2016
The crystal structures of three N-arylsulfonyl-4-fluorobenzamides, namely 4-fluoro-N-(2-methylphenylsulfonyl)benzamide, C14H12FNO3S, (I), N-(2-chlorophenylsulfonyl)-4-fluorobenzamide, C13H9ClFNO3S, (II), and N-(4-chlorophenylsulfonyl)-4-fluorobenzamide ...
P. A. Suchetan   +5 more
doaj   +1 more source

Crystal structures of two hydrazide derivatives of mefenamic acid, 3-(2,3-dimethylanilino)-N′-[(E)-(furan-2-yl)methylidene]benzohydrazide and N′-[(E)-benzylidene]-2-(2,3-dimethylanilino)benzohydrazide

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2021
The conformation about the central benzene ring in the molecule of (I), C20H19N3O2, is partially determined by an intramolecular N—H...O hydrogen bond. In the crystal, chains parallel to the c axis are generated by intermolecular N—H...O hydrogen bonds ...
Shaaban K. Mohamed   +5 more
doaj   +1 more source

(2RS)-3-(4-Hydroxyphenyl)-2-(1-oxo-1H-2,3-dihydroisoindol-2-yl)propanoic acid monohydrate [PDF]

open access: yes, 2007
The title compound, C₁₇H₁₅NO₄·H₂O, derived from DL-tyrosine crystallizes as an unusual hydrogen-bonded acid-monohydrate dimer. The asymmetric unit contains two organic molecules and two water molecules.
Brady, Fiona, Gallagher, John F.
core   +1 more source

Allylammonium hydrogen oxalate hemihydrate

open access: yesActa Crystallographica Section E, 2014
In the title hydrated molecular salt, C3H8N+·C2HO4−·0.5H2O, the water O atom lies on a crystallographic twofold axis. The C=C—C—N torsion angle in the cation is 2.8 (3)° and the dihedral angle between the CO2 and CO2H planes in the anion is 1.0 (4)°.
Błażej Dziuk   +2 more
doaj   +1 more source

Crystal structure and Hirshfeld surface analysis of 10-hydroxy-2-(4-methoxyphenyl)-3-oxo-2,3,3a,4,10,10a-hexahydro-1H-9-thia-2-azacyclopenta[b]fluorene-4-carboxylic acid dimethyl sulfoxide-d6 monosolvate

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2023
In the title compound, C22H19NO5S·C2D6OS, the central six-membered ring has a slightly distorted boat conformation, while the fused pyrrolidine ring adopts an envelope conformation. These conformations are stabilized by O—H...O hydrogen bonds between the
Gunay Z. Mammadova   +7 more
doaj   +1 more source

Methyl 2-(4-ferrocenylbenzamido)thiophene-3-carboxylate and ethyl 2-(4-ferrocenylbenzamido)-1,3-thiazole-4-acetate, a unique ferrocen [PDF]

open access: yes, 2005
The conformations and hydrogen bonding in the thiophene and thiazole title compounds, [Fe(C₅H₅)(C₂₀H₁₄NO₃S)], (I), and [Fe(C₅H₅)(C₁₉H₁₇N₂O₃S)], (II), are discussed.
Alley, Steven   +4 more
core   +1 more source

Ethyl 2-(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)acetate

open access: yesIUCrData, 2017
The five-membered ring of the title compound, C19H18N2O4, adopts an envelope conformation. In the crystal, pairwise N—H...O hydrogen bonds form centrosymmetric dimers which are connected into chains parallel to the c-axis direction by pairwise C—H...O ...
Youssef Ramli   +5 more
doaj   +1 more source

3-Fluoro-N-(3-fluorobenzoyl)-N-(2-pyridyl)benzamide [PDF]

open access: yes, 2009
The title compound, C19H12F2N2O2, a 2:1 product of the reaction of 3-fluorobenzoylchloride and 2-aminopyridine crystallizes with a disordered 3-fluorobenzene ring adopting two conformations [ratio of occupancies 0.959 (4):0.041 (4)].
Donnelly, Katie, Gallagher, John F.
core   +1 more source

Crystal structure of (5-chloro-2-hydroxyphenyl)(3-methylisoxazolo[5,4-b]pyridin-5-yl)methanone

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C14H9ClN2O3, the fused pyridine and isoxazole rings are approximately planar, making a dihedral angle of 1.14 (16)°. The molecule is twisted with the benzene ring and the mean plane through the fused pyridine-isoxazole ring system ...
Rajamani Raja   +3 more
doaj   +1 more source

Phthalazin-1(2H)-one–picric acid (1/1) [PDF]

open access: yes, 2007
The geometric parameters of the title compound, C8H6N2O·C6H3N3O7, are in the usual ranges. The three nitro groups are almost coplanar with the aromatic picrate ring [dihedral angles 10.2 (2)°, 7.62 (16) and 8.08 (17)°].
Bolte, Michael   +4 more
core   +4 more sources

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