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Crystal structures of three N-(arylsulfonyl)-4-fluorobenzamides
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
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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
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(2RS)-3-(4-Hydroxyphenyl)-2-(1-oxo-1H-2,3-dihydroisoindol-2-yl)propanoic acid monohydrate [PDF]
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.
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Allylammonium hydrogen oxalate hemihydrate
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
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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
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Methyl 2-(4-ferrocenylbenzamido)thiophene-3-carboxylate and ethyl 2-(4-ferrocenylbenzamido)-1,3-thiazole-4-acetate, a unique ferrocen [PDF]
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
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Ethyl 2-(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)acetate
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
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3-Fluoro-N-(3-fluorobenzoyl)-N-(2-pyridyl)benzamide [PDF]
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.
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Crystal structure of (5-chloro-2-hydroxyphenyl)(3-methylisoxazolo[5,4-b]pyridin-5-yl)methanone
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
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Phthalazin-1(2H)-one–picric acid (1/1) [PDF]
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
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