Pyridinium Salts of Dehydrated Lanthanide Polychlorides [PDF]
Molecules, 2022 The reaction of lanthanide (Ln) chloride hydrates ([Ln(H2O)n(Cl)3]) with pyridine (py) yielded a set of dehydrated pyridinium (py-H) Ln-polychloride salts. These species were crystallographically characterized as [[py-H-py][py-H]2[LnCl6]] (Ln-6; Ln = La,
Roger E. Cramer +2 more
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Regioselective and site-divergent synthesis of tetrahydropyridines by controlled reductive-oxidative dearomative hydroarylation of pyridinium salts [PDF]
Nature CommunicationsTetrahydropyridine skeletons serve as ubiquitous structural motifs which are predominant in natural products, bioactive and drug molecules. Thus, the development of efficient and general synthetic methods for the synthesis of tetrahydropyridine ...
Xing-Fu Wei +4 more
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Antitumour Effects of Selected Pyridinium Salts on Sensitive Leukaemia HL60 Cells and Their Multidrug Resistant Topoisomerase II-Defective HL60/MX2 Counterparts [PDF]
Molecules, 2022 Multidrug resistance (MDR), having a multifactorial nature, is one of the major clinical problems causing the failure of anticancer therapy. The aim of this study was to examine the antitumour effects of selected pyridinium salts, 1-methyl-3 ...
Jolanta Tarasiuk +2 more
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Pyridinium and related azinium salts in organic synthesis and medicinal chemistry [PDF]
RSC AdvancesPyridinium salts represent a versatile and synthetically valuable class of nitrogen-containing heterocyclic compounds that continue to play a crucial role in modern organic synthesis.
Elham Mohammadi Mehr +6 more
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Preparation of the Pyridinium Salts Differing in the Length of the N-Alkyl Substituent
Molecules, 2010 Quaternary pyridinium salts with chains ranging from C8 to C20 belong in the large group of cationic surfactants. In this paper, the preparation of such cationic surface active agents based on the pyridinium moiety and differing in the length of the N ...
Kamil Musilek +7 more
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A metal-free approach for the synthesis of amides/esters with pyridinium salts of phenacyl bromides via oxidative C–C bond cleavage [PDF]
Beilstein Journal of Organic Chemistry, 2019 An efficient, simple, and metal-free synthetic approach for the N- and O-benzoylation of various amines/benzyl alcohols with pyridinium salts of phenacyl bromides is demonstrated to generate the corresponding amides and esters.
Kesari Lakshmi Manasa +3 more
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Synthesis, Characterization, and Computational Modeling of N-(1-Ethoxyvinyl)pyridinium Triflates, an Unusual Class of Pyridinium Salts [PDF]
Molecules, 2018 N-Substituted pyridinium salts constitute one of the most valuable reagent classes in organic synthesis, due to their versatility and ease of use. Herein we report a preliminary synthesis and detailed structural analysis of several N-(1-ethoxyvinyl ...
Jonathan D. Shapiro +8 more
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One‐Step Aqueous Synthesis of Glycosyl Pyridinium Salts, Electrochemical Study, and Assessment of Utility as Precursors of Glycosyl Radicals Using Photoredox Catalysis [PDF]
ChemistryOpenA single step method for the production of unprotected glycosyl pyridinium salts has been developed involving treatment of the unprotected sugar with a pyridine, triethylamine, and either 2‐chloro‐1,3‐dimethylimidazolinium chloride (DMC) or 2‐chloro‐1,3 ...
Daniel Chong +2 more
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Preparation and Characterization of Polyphenol-Functionalized Chitooligosaccharide Pyridinium Salts with Antioxidant Activity [PDF]
Marine DrugsAs a kind of eco-friendly material with wide application prospects, chitooligosaccharide (COS) has attracted increasing attention because of its unique bioactivities.
Zhen Qi +3 more
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Nickel-Catalyzed Synthesis of Dialkyl Ketones from the Coupling of N-Alkyl Pyridinium Salts with Activated Carboxylic Acids [PDF]
Angewandte Chemie - International Edition, 2020 Mary P Watson +2 more
exaly +2 more sources