Results 1 to 10 of about 235,929 (120)

Crystal structure and Hirshfeld surface analysis of ethyl 2-[9-(2-hydroxyphenyl)-3,3,6,6-tetramethyl-1,8-dioxo-2,3,4,4a,5,6,7,8a,9,9a,10,10a-dodecahydroacridin-10-yl]acetate

Acta Crystallographica Section E: Crystallographic Communications, 2021
In the title compound, C27H33NO5, a 3,3,6,6-tetramethyltetrahydroacridine-1,8-dione ring system carries an ethyl acetate substituent on the acridine N atom and an o-hydroxyphenyl ring on the central methine C atom of the dihydropyridine ring. The benzene
Omyma A. A. Abd Allah, Manpreet Kaur, Mehmet Akkurt, Shaaban K. Mohamed, Jerry P. Jasinski, Sahar M. I. Elgarhy   +5 more
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Crystal structure and Hirshfeld surface analysis of ethyl (3E)-5-(4-fluorophenyl)3-{[(4-methoxyphenyl)formamido]imino}-7-methyl-2H,3H,5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate 0.25-hydrate

Acta Crystallographica Section E: Crystallographic Communications, 2022
In the title compound, C24H23FN4O4S·0.25H2O, the dihydropyrimidine ring is distinctly non-planar, with the flap C atom deviating by 0.297 (2) Å from the least-squares plane.
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Abdallah M. Alfayomy, Fatma A. F. Ragab, Mokhtar A. Abd ul-Malik   +5 more
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Crystal structure of 1,2,3,4-di-O-methylene-α-d-galactopyranose

Acta Crystallographica Section E: Crystallographic Communications, 2015
The title compound, C8H12O6, was synthesized by deacetylation of 6-acetyl-1,2,3,4-di-O-methylene-α-d-galactose with sodium methoxide. The central part of the molecule consists of a six-membered C5O pyranose ring with a twist-boat conformation. Both fused
Ioannis Tiritiris, Stefan Tussetschläger, Willi Kantlehner   +2 more
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Cystal structre of 5-hydroxy-2-nitrobenzaldehyde

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C7H5NO4, the nitro group and the aldehyde group are inclined to the benzene ring by 16.6 (3) and 15.6 (3)°, respectively. In the crystal, molecules are linked via O—H...O hydrogen bonds, forming chains along [100].
Huma Bano, Sammer Yousuf
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Crystal structure of ethyl 4-(2,4-dichlorophenyl)-2-methyl-4H-benzo[4,5]thiazolo[3,2-a]pyrimidine-3-carboxylate

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C20H16Cl2N2O2S, the pyrimidine ring has a screw-boat conformation. The attached dichlorophenyl ring is twisted at an angle of 89.29 (13)° with respect to the pyrimidine ring mean plane.
T. Sankar, S. Naveen, N. K. Lokanath, K. Gunasekaran   +3 more
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Crystal structures of three N-(arylsulfonyl)-4-fluorobenzamides

Acta 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, S. Naveen, N. K. Lokanath, K. S. Srivishnu, G. M. Supriya, H. N. Lakshmikantha   +5 more
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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

Acta 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, Joel T. Mague, Mehmet Akkurt, Mustafa R. Albayati, Sahar M. I. Elgarhy, Elham A. Al-Taifi   +5 more
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Allylammonium hydrogen oxalate hemihydrate

Acta 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, Bartosz Zarychta, Krzysztof Ejsmont   +2 more
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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

Acta 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, Elizaveta D. Yakovleva, Pavel P. Erokhin, Mikhail S. Grigoriev, Zeliha Atioğlu, Asmet N. Azizova, Mehmet Akkurt, Ajaya Bhattarai   +7 more
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Crystal structure of (5-chloro-2-hydroxyphenyl)(3-methylisoxazolo[5,4-b]pyridin-5-yl)methanone

Acta 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, Nataraj Poomathi, Paramasivam T. Perumal, A. SubbiahPandi   +3 more
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