Results 21 to 30 of about 60,238 (275)

4-{(1E,3E)-4-[4-(Dimethylamino)phenyl]buta-1,3-dien-1-yl}-1-methylpyridin-1-ium iodide

IUCrData, 2016
The title molecular salt, C18H21N2+·I−, consists of a pyridinium cation and an I− anion. The cation exists in an E,E conformation with respect to the two C=C double bonds, and is roughly planar with the pyridinium ring being inclined to the benzene ring ...
S. John Sundaram, P. Sagayaraj, A. Antony Raj, E. R. A. Dravida Thendral, G. Usha   +4 more
doaj   +1 more source

Pyridinium-2-carboxyl­ate–benzene-1,2-diol (1/1) [PDF]

, 2009
The title compound, C6H5NO2·C6H6O2, crystallizes with one pyridinium-2-carboxyl­ate zwitterion and one mol­ecule of benzene-1,2-diol in the asymmetric unit.
Bolte, Michael, Michael Bolte, Cuong, Ton Quoc, Cuong Quoc Ton   +3 more
core   +1 more source

Crystal structure of 1-[(1-methyl-5-nitro-1H-imidazol-2-yl)methyl]pyridinium iodide

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title salt, C10H11N4O2+·I−, the asymmetric unit consists of a pyridinium cation bearning a (1-methyl-5-nitro-1H-imidazol-2-yl)methyl group at the N position and an iodide anion.
Roumaissa Belguedj, Abdelmalek Bouraiou, Hocine Merazig, Ali Belfaitah, Sofiane Bouacida   +4 more
doaj   +1 more source

4-[3-(Isonicotino-yloxy)propoxycarbon-yl]pyridinium diiodidoargentate(I) [PDF]

, 2011
The structure of the title compound, (C15H15N2O4)[AgI2], consists of an organic 4-[3-(isonicotino­yloxy)propoxycarbon­yl]pyridinium cation which has a gauche–gauche (O/C/C/C—O/C/C/C or GG’) conformation and lies on a twofold rotation axis, which passes ...
Bolte, Michael, Iván Brito, López-Rodríguez, Matías, Brito, Iván, Alejandro Cárdenas, Michael Bolte, Vallejos, Javier, Cárdenas, Alejandro, Matías López-Rodríguez, Alejandro Cárdenas, Iván Brito, Javier Vallejos, Matías López-Rodríguez   +12 more
core   +1 more source

1,4-Dimethylpyridinium iodide

IUCrData, 2017
The title organic salt, C7H10N+·I−, was synthesized from a mixture of 4-methylpyridine and iodomethane in 2-propanol. It crystallized with three independent 1,4-dimethylpyridinium cations and three independent iodide anions in the asymmetric unit. In the
Joshua Deschner, Jack M. Choczynski, Calvin Y. Wong, Kathleen L. Hayes, Ralph R. Crisci, Emily M. Lasher, Joseph Dragonette, Allan Jay P. Cardenas   +7 more
doaj   +1 more source

Crystal structure of (E)-3-{[2-(2,4-dichlorobenzylidene)hydrazin-1-yl]carbonyl}pyridinium chloride trihydrate

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title hydrated salt, C13H10Cl2N3O+·Cl−·3H2O, the organic cation exhibits a dihedral angle of 8.26 (14)° between the mean planes of the pyridinium and benzene rings, and dihedral angles of 8.70 (15) and 15.93 (5)° between the mean planes of the ...
J. Josephine Novina, G. Vasuki, M. Suresh, M. Syed Ali Padusha   +3 more
doaj   +1 more source

Recent Progress in Heterocycle Synthesis: Cyclization Reaction with Pyridinium and Quinolinium 1,4-Zwitterions

Molecules, 2023
Heteroarene 1, n-zwitterions are powerful and versatile building blocks in the construction of heterocycles and have received increasing attention in recent years.
Zhen-Hua Wang, Yong You, Jian-Qiang Zhao, Yan-Ping Zhang, Jun-Qing Yin, Wei-Cheng Yuan   +5 more
doaj   +1 more source

Aggregation induced emission by pyridinium–pyridinium interactions

RSC Advances, 2019
Non-covalent intermolecular pyridinium–pyridinium and pyridinium–arene-π system interactions result in aggregation induced emission (AIE).
Kaspars Leduskrasts, Edgars Suna
openaire   +3 more sources

Crystal structure of bis[1-(naphthalen-1-ylmethyl)pyridinium] bis(2,2-dicyanoethene-1,1-dithiolato-κ2S,S′)nickelate(II)

Acta Crystallographica Section E, 2014
A new ion-pair complex, (C16H14N)2[Ni(C4N2S2)2] or (1-NaMePy)2[Ni(imnt)2], where 1-NaMePy is 1-(4-naphthylmethylene)pyridinium and imnt is 2,2-dicyanoethene-1,1-dithiolate, was obtained by the direct reaction of NiCl2, K2imnt and (1-NaMePy)+Br− in H2O ...
Miao Zhang, Xu-Jie Xiong
doaj   +1 more source

Preparation of Iron-nickel Alloy Nanostructures via Two Cationic Pyridinium Derivatives as Soft Templates [PDF]

, 2015
In this paper, crystalline iron-nickel alloy nanostructures were successfully prepared from two cationic pyridinium derivatives as soft templates in solution.
Guo, Wenfeng, Linfan Cui, Bo Wang, Zhou, Jingxin, Chen, Yan, Cui, Linfan, Wenfeng Guo, Wang, Bo, Jingxin Zhou, Zhang, Qingrui, Qingrui Zhang, Yan Chen, Guo, Haiying, Qiuming Peng, Peng, Qiuming, Tifeng Jiao, Jiao, Tifeng, Haiying Guo   +17 more
core   +1 more source