Results 111 to 120 of about 60,159 (283)

Recognition of Pyridinium Guests by [8]Cycloparaphenylene Host

, 2017
CycloParaPhenylenes ([n]CPPs) are fully conjugated macrocycles constituted by n para-linked benzene units (Figure), which exhibit size-dependent optical and electronic proprieties [1,2].
TALOTTA, CARMEN, NERI, Placido, DELLA SALA, PAOLO, DE ROSA, Margherita, DI BENEDETTO, GIUSEPPINA, GAETA, CARMINE, CARUSO, Tonino   +6 more
core  

4-(3-Ethoxy-4-hydroxystyryl)-1-methylpyridinium tosylate monohydrate

Acta Crystallographica Section E, 2009
In the title compound, C16H18NO2+·C7H7O3S−·H2O, the dihedral angle between the pyridyl and benzene rings of the pyridinium cation is 0.2 (1)°. The benzene ring of the tosylate anion makes a dihedral angle of 4.8 (2)°
S. Murugavel, A. SubbiahPandi, C. Srikanth, S. Kalainathan   +3 more
doaj   +1 more source

The neurotoxicity of pyridinium metabolites of haloperidol

Postępy Higieny i Medycyny Doświadczalnej, 2015
Haloperydol is a butyrophenone, typical neuroleptic agent characterized as a high antipsychotics effects in the treatment of schizophrenia and in palliative care to alleviation many syndromes, such as naursea, vomiting and delirium. Clinical problems occurs during and after administration of the drug are side effects, particularly extrapyrramidal ...
Agnieszka, Górska, Michał, Marszałł, Anna, Sloderbach   +2 more
openaire   +2 more sources

Crystal structures of bis[4-(dimethylamino)pyridinium] tetrakis(thiocyanato-κN)manganate(II) and tris[4-(dimethylamino)pyridinium] pentakis(thiocyanato-κN)manganate(II)

Acta Crystallographica Section E: Crystallographic Communications, 2018
The crystal structures of the title salts, (C7H11N2)2[Mn(NCS)4] (1) and (C7H11N2)3[Mn(NCS)5] (2), consist of manganese(II) cations that are tetrahedrally (1) or trigonal–bipyramidally (2) coordinated to four or five terminal N-bonded thiocyanate ligands,
Tristan Neumann, Inke Jess, Christian Näther   +2 more
doaj   +1 more source

Synthesis and characterizations of pyridinium salts including poly(pyridinium salt)s and their applications

, 2012
Pyridinium salts, both molecular and polymeric, are an interesting class of multifunctional materials that exhibit liquid-crystalline and light-emitting properties.
Jo, Tae Soo
core   +1 more source

Porous Carbon Materials for Carbon Dioxide Capture

Carbon Energy, EarlyView.
This work aims to address the current status and challenges associated with the regulation of pore structures, as well as the influence of pore structures on CO2 capture. Systematic quantitative analysis of structure–property relationships, combined with machine learning approaches, can effectively evaluate the contributions of structural ...
Zhifu Liu, Chuhan Fu, Tao Qi, Hui Zhou, Guangping Hao, Yalou Guo, Guoping Hu   +6 more
wiley   +1 more source

Photosensitizing Au(I) Catalysis With Coumarins

Chemistry – A European Journal, EarlyView.
A Au(I) complex with a tethered coumarin fragment was synthesized and characterized by UV‐vis and emission spectroscopy. Its ability to facilitate photo‐driven cross‐coupling reactions through single‐electron and energy transfer events was evaluated. ABSTRACT Gold catalysis shows versatility in a wide range of challenging transformations, wherein light‐
Liliana Capulín Flores, Jacob J. van der Wal, Johannes E. M. N. Klein   +2 more
wiley   +1 more source

Valorization of oat hulls and spent coffee grounds into pyridinium-modified granular adsorbents for water purification

Sustainability Science and Technology
Agro- and food-waste biomass such as oat hull (Oh) or spent coffee ground (SCG) biomass can yield sustainable adsorbents for water treatment. However, adsorbents in powdered form often face constraints in practical applications (column applications due ...
Bernd G K Steiger, Deysi J Venegas-García, Lee D Wilson   +2 more
doaj   +1 more source

FLP Mediated Conversion of Difluorobenzylalkynes to Fluoroallenyl Oniums via an SN1’ Pathway

Chemistry – A European Journal, EarlyView.
Frustrated Lewis pair (FLP) selective C‒F activation of difluorobenzylalkynes allows the formation of fluoroallenic oniums via an SN1’ substitution pathway. The fluoroallenic onium salts are synthetic precursors that allow subsequent functionalization at allenic and onium positions.
Max Coles, Tianhong Wang, Rubi McLennan, Long Kit Kwan, Bivas Mondal, Chakyu Richard Chan, Rowan D. Young   +6 more
wiley   +1 more source

Stereoretentive Nucleophilic Aromatic Substitution Accesses Atropisomeric 4‐Amino‐N‐Arylquinolinium Salts

Chemistry – A European Journal, EarlyView.
Quinolin‐4‐ones were converted to chloroquinolinium salts, allowing formation of axially chiral aminoquinolinium salts via an enantioretentive SNAr reaction with a variety of amine nucleophiles. The salts have a high rotational barrier, with a racemization half‐life of ∼1000s of years.
Darren Holmes, Nia Foster, Saima Ansari, Paul Kavanagh, Paul Dingwall, Peter C. Knipe   +5 more
wiley   +1 more source