Results 1 to 10 of about 285,295 (266)

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

open access: yesActa 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   +5 more
doaj   +1 more source

13-Benzyl-4,11-dihydroxy-1,8-diphenyl-2,9-dithia-13-azadispiro[4.1.4.3]tetradecan-6-one

open access: yesIUCrData, 2021
In the title compound, C30H31NO3S2, the piperidine ring adopts a distorted chair conformation. The thiophene rings have twisted conformations about the C—C bonds. The mean plane of the piperidine ring makes a near orthogonal conformation with the toluene
G. Vinotha, T. V. Sundar, N. Sharmila
doaj   +1 more source

Crystal structure of N,N,N′,N′,N′′,N′′-hexamethylguanidinium cyanate 1.5-hydrate

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
The title hydrated salt, C7H18N3+·OCN−.1.5H2O, was synthesized starting from N,N,N′,N′,N′′,N′′-hexamethylguanidinium chloride by a twofold anion-exchange reaction.
Ioannis Tiritiris, Willi Kantlehner
doaj   +1 more source

Cystal structre of 5-hydroxy-2-nitrobenzaldehyde

open access: yesActa 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
doaj   +1 more source

Crystal structure of 1,2,3,4-di-O-methylene-α-d-galactopyranose

open access: yesActa 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   +2 more
doaj   +1 more source

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

2-Amino-4-methoxy-6-methylpyrimidin-1-ium trifluoroacetate

open access: yesIUCrData, 2016
In the title molecular salt, C6H10N3O+·C2F3O2−, the pyrimidinium cation is essentially planar, with a maximum deviation of 0.042 (3) Å for all non-H atoms.
Muthaiah Jeevaraj   +5 more
doaj   +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

Supramolecular Hydrogen-Bond Motifs in Chiral and Racemic Molecular Salts: A Comparison of (S)-2-Methyl Piperizinium Hydrogen Phosphite Monohydrate, C5H14N2·HPO3·H2O and (R,S)-2-Methyl Piperizinium Hydrogen Phosphite 2.23 Hydrate, C5H14N2·HPO3·2.23H2O

open access: yesCrystals, 2011
The crystal structures of C5H14N2·HPO3·H2O (1) and C5H14N2·HPO3·2.23H2O (2) are described and compared. Compound 1 contains homochiral (S)-2-methyl piperizinium cations, hydrogen phosphite ions and water molecules.
William T. A. Harrison
doaj   +1 more source

(E)-1-(2-Hydroxy-6-methoxyphenyl)-3-(2-methoxynaphthalen-1-yl)prop-2-en-1-one

open access: yesIUCrData, 2019
In the title compound, C21H18O4, the dihedral angle between the naphthelene ring system (r.m.s. deviation = 0.014 Å) and the benzene ring is 9.68 (1)°. The C atom of the methoxy group of the naphthalene ring system is almost coplanar with the ring [C—O—C—
Jiha Sung
doaj   +1 more source

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