Results 41 to 50 of about 741,265 (208)

(E)-Methyl 3-(3,4-dihydroxyphenyl)acrylate

Acta Crystallographica Section E, 2011
The benzene ring in the title compound, C10H10O4, makes an angle of 4.4 (1)° with the C—C—C—O linker. The hydroxy groups are involved in both intra- and intermolecular O—H...O hydrogen bonds. The
Li Wang, Fa-Yan Meng, Cui-Wu Lin, Hai-Yan Chen, Xuan Luo   +4 more
doaj   +1 more source

N-Cyclo­hexyl-3,4,5-trimethoxy­benzamide [PDF]

, 2009
The 3,5-meth­oxy groups in the title compound, C16H23NO4, are almost coplanar with the aromatic ring, whereas the 4-meth­oxy group is bent out of this plane. The three CH3—O—C—C torsion angles are -1.51 (18), 0.73 (19) and 75.33 (15)°.
Saeed, Aamer, Arshad, Muhammad, Khera, Rasheed Ahmad, Bolte, Michael   +3 more
core   +1 more source

2-Phenyl-N′-(2-phenylacetyl)acetohydrazide

Acta Crystallographica Section E, 2012
In the title compound, C16H16N2O2, the N′-acetylacetohydrazide group is approximately planar (r.m.s. deviation = 0.018 Å for the eight non-H atoms) and makes dihedral angles of 81.92 (6) and 65.19 (6)&#
Hatem A. Abdel-Aziz, Ching Kheng Quah, Hoong-Kun Fun   +2 more
doaj   +1 more source

Crystal structure of (E)-3-({6-[2-(4-chlorophenyl)ethenyl]-3-oxo-2,3-dihydropyridazin-4-yl}methyl)pyridin-1-ium chloride dihydrate

Acta Crystallographica Section E: Crystallographic Communications, 2022
In the title compound, C18H15ClN3O+·Cl−·2H2O, three intramolecular hydrogen bonds are observed, N—H...O, O—H...Cl and O—H...O. In the crystal, molecules are connected by C—H...Cl and N—H...O hydrogen bonds.
Said Daoui, Emine Berrin Çınar, Necmi Dege, Noureddine Benchat, Eiad Saif, Khalid Karrouchi   +5 more
doaj   +1 more source

Crystal structures of 2-[(4,6-diaminopyrimidin-2-yl)sulfanyl]-N-(2,4-dimethylphenyl)acetamide and 2-[(4,6-diaminopyrimidin-2-yl)sulfanyl]-N-(3-methoxyphenyl)acetamide

Acta Crystallographica Section E: Crystallographic Communications, 2017
In the title compounds, C14H17N5OS (I) and C13H15N5O2S (II), the dihedral angle between the pyrimidine and benzene rings is 58.64 (8)° in (I) and 78.33 (9)° in (II).
Manisha Choudhury, Vijayan Viswanathan, Ajay Kumar Timiri, Barij Nayan Sinha, Venkatesan Jayaprakash, Devadasan Velmurugan   +5 more
doaj   +1 more source

4-(2-Methoxyphenyl)piperazin-1-ium 6-chloro-5-isopropyl-2,4-dioxopyrimidin-1-ide [PDF]

, 2014
In the cation of the title salt, C11H17N2O+.C7H8ClN2O2 -, the piperazine ring adopts a distorted chair conformation and contains a positively charged N atom with quaternary character.
A. El-Emam, Ali, A. Ghabbour, Hazem, A. M. Al-Omary, Fatmah, Chidan Kumar, C. S., Hoong, Kun Fun   +4 more
core   +2 more sources

Intramolecular N-H...O, intermolecular O-H...O, C-H...O and Csp³-H...πarene interactions in (2S)-2-{[(2R)-2-hydroxy-2-phenylethanoyl]amino}-4-methylpentanoic acid [PDF]

, 1999
The title compound, C₁₄H₁₉NO₄, forms a hydrogenbonded network in the solid state, consisting of one intramolecular N--H...O [N...O 2.569 (3)Å] and two intermolecular O--H...0=C [O...O 2.704(2) and 2.801 (2)Å] hydrogen bonds, with weaker C--H...O [C...O ...
Dalton, John P., Gallagher, John F., Kenny, Peter T.M., O'Donohoe, Michael   +3 more
core   +1 more source

Crystal structure of(E)N{2[2(3chlorobenzylidene)hydrazinyl]-2-oxoethyl}-4-methylbenzenesulfonamide monohydrate [PDF]

, 2015
The molecule of the title compound, C16H16ClN3O3SH2O, is L-shaped being bent at the S atom; the S—N—C—C torsion angle is 132.0 (3). The central part of the molecule, C—C—N—N C, is almost linear, with the C—C—N—N and C—N—N C torsion angles being 174.1 ...
Purandara, H., Sabine Forob, ., Thimme Gowdaa, B.   +2 more
core   +6 more sources

Investigation of the crystal structures of n-(4-fluorobenzoyl) benzenesulfonamide and n-(4-fluoro-benzoyl)-4-methylbenzenesulfonamide [PDF]

, 1977
The title compound, C26H26N2O7, is a thia­midine derivative. Geometric parameters are in the usual ranges. The crystal packing is stabilized by a classical N—H⋯O hydrogen bond, several weak C—H⋯O hydrogen bonds and a π–π stacking inter ...
Suchetan, P. A., Sreenivasa, Swamy, Srivishnu, K. S., Lakshmikantha, H. N., Supriya, G. M., Naveen, S., Lokanath, N. K.   +6 more
core   +2 more sources

Ethyl 3-methyl-1-oxo-4H-1,4-benzothiazine-2-carboxylate monohydrate

IUCrData, 2018
The organic molecule in the title hydrate, C12H13NO3S·H2O, is folded across the S...N vector. Chains two molecules thick extending along the a-axis direction are formed by N—H...O and O—H...O hydrogen bonds.
Yamna Baryala, Youness El Bakri, El Hassane Anouar, Abdelfettahb Zerzouf, El Mokhtar Essassi, Joel T. Mague   +5 more
doaj   +1 more source