Results 11 to 20 of about 5,326,384 (292)

Stereoselective Synthesis of Tetrahydroindolizines through the Catalytic Formation of Pyridinium Ylides from Diazo Compounds. [PDF]

Angewandte Chemie - International Edition, 2016
Commercially available iron(III) and copper(I) complexes catalyzed multicomponent cycloaddition reactions between diazo compounds, pyridines, and electrophilic alkenes to give alkaloid-inspired tetrahydroindolizidines in high yield with high ...
J. Day, Ben McKeever-Abbas, J. Dowden
semanticscholar   +4 more sources

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

Nanomaterials and Nanotechnology, 2015
In this paper, crystalline iron-nickel alloy nanostructures were successfully prepared from two cationic pyridinium derivatives as soft templates in solution.
Jingxin Zhou, Tifeng Jiao, Wenfeng Guo, Bo Wang, Haiying Guo, Linfan Cui, Qingrui Zhang, Yan Chen, Qiuming Peng   +8 more
doaj   +2 more sources

Synthesis of novel pyridinium based compounds and their possible application in dye-sensitized solar cells

Journal of Molecular Structure, 2023
Five novel D-π-A structured pyridinium based compounds, bearing different electron-donating units were synthesized, minutely characterized, and their solvatochromic and electronic properties were investigated.
Trišović, Nemanja, Matović, Luka, Lađarević, Jelena, Yasir, Albashir, Ela, Sule Erten, Mijin, Dušan, Vitnik, Vesna, Sule Erten, Ela, Vitnik, Željko, Yavuz, Cagdas, Sen, Burak   +10 more
core   +2 more sources

Antimicrobial, antimalarial and antileishmanial activities of mono- and bisquaternary pyridinium compounds

Chemical Biology and Drug Design, 2010
Pyridinium‐based oxime compounds have been utilized worldwide as antidotes following exposure to anticholinesterase agents. In the event of combined chemical and biological incident, it is of vital importance to know the ability of antidotes to provide ...
Sandip B. Bharate, Charles M. Thompson
semanticscholar   +3 more sources

Design, synthesis and biological evaluation of edaravone derivatives bearing the N-benzyl pyridinium moiety as multifunctional anti-Alzheimer’s agents

Journal of Enzyme Inhibition and Medicinal Chemistry, 2020
A series of multi-target directed edaravone derivatives bearing N-benzyl pyridinium moieties were designed and synthesised. Edaravone is a potent antioxidant with significant neuroprotective effects and N-benzyl pyridinium has previously exhibited ...
Luke S. Zondagh, Sarel F. Malan, Jacques Joubert   +2 more
doaj   +1 more source

Sensing properties of light-emitting single walled carbon nanotubes prepared via click chemistry of ylides bound to the nanotube surface† [PDF]

RSC Advances, 2015
Pyridinium ylide functionalized single-walled carbon nanotubes (SWCNTs) generated from simple quaternary pyridinium salts covalently bound to the SWCNT surface undergo a 1, 3 dipolar cycloaddition with dimethyl acetylenedicarboxylate in a ‘click ...
M. K. Bayazit, L. O. Pålsson, K. S. Coleman   +2 more
doaj   +1 more source

Catalytic response and molecular simulation studies in the development of synthetic routes in trimeric triaryl pyridinium type ionic liquids

Scientific Reports, 2023
Under conventional and silica-supported Muffle furnace methods, water-soluble substituted trimeric triaryl pyridinium cations with various inorganic counter anions are synthesized.
Ramalingam Tamilarasan, Annadurai Subramani, G. Sasikumar, Pandurangan Ganapathi, S. Karthikeyan, Sasikumar Ponnusamy, Salim Albukhaty, Mustafa K. A. Mohammed, Zaidon T. Al-aqbi, Faris A. J. Al-Doghachi, Duha S. Ahmed, Yun Hin Taufiq-Yap   +11 more
doaj   +1 more source

4,4′,4″-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))tris(1-methylpyridin-1-ium) Iodide

Molbank, 2023
Despite having been known for a long time, quaternary 4,4′-bipyridinium salts, or viologens, are still a highly inspiring class of compounds, thanks to their peculiar redox and charge transfer properties.
Lorenza Romagnoli, Andrea D’Annibale, Alessandro Latini   +2 more
doaj   +1 more source

The use of pyridinium fluorochromate (PFC) supported on TriSyl silica gel for oxidation reactions [PDF]

Journal of the Serbian Chemical Society, 2007
Pyridinium fluorochromate supported on TriSyl silicas was prepared by co-adsorption. The supported reagent was used in equimolar quantity to oxidise some organic compounds with good yields and complete selectivity.
FATMA AYDIN, ERSAN TURUNC
doaj   +3 more sources

A concise access to bridged [2,2,1] bicyclic lactones with a quaternary stereocenter via stereospecific hydroformylation

Nature Communications, 2021
Enantiomeric bridged [2,2,1] bicyclic lactone skeletons and their ring-opening products are important scaffolds widely occurring in both pharmaceutics and biology active compounds.
Shuailong Li, Zhuangxing Li, Mingzheng Li, Lin He, Xumu Zhang, Hui Lv   +5 more
doaj   +1 more source