7 results about "Pyridinium Compounds" patented technology

The disclosure relates to oral care compositions comprising guanidine in free or orally acceptable salt form, a cationic quaternary ammonium compound (e.g., a pyridinium compound) (e.g., cetyl pyridinium chloride (CPC)), a fluoride source, and optionally a zinc source (e.g., zinc lactate or zinc citrate and zinc oxide) as well as to methods of using and of making these compositions.

Provided are a heteroaryl-pyridinium compound and a redox flow battery including the same. The redox flow battery includes a positive electrode cell including a positive electrode and a posolyte solution; a negative electrode cell including a negative electrode and a negolyte solution; and a separator disposed between the positive electrode cell and the negative electrode cell. The negolyte solution is the electrolyte solution for a redox flow battery.

The application discloses application of methylated gossypol in preparation of a coronavirus inhibitor. The application provides application of at least one of a compound as shown in a formula I, a solvate of the compound, a pharmaceutically acceptable salt of the compound, a solvate of the pharmaceutically acceptable salt of the compound in preparation of the coronavirus inhibitor. The compound provided by the application has the advantages of clear target, high safety, significantly improved inhibitory activity, potential for wide application and potential therapeutic effect on diseases caused by the novel coronavirus.

A series of pyridinium compounds, generally 2,6-dialkyl-4-arylpyridinum compounds, with low reduction potentials and highly persistent radical states for use as anolytes in redox flow batteries, thin-film metal-organic hybrid batteries, and all-organic batteries are disclosed. Related routes for the synthesis of the pyridinium compounds from pyrylium intermediates are also disclosed.

The present application belongs to the technical field of electroplating nickel-phosphorus alloy, and particularly relates to a positive and reverse pulse electrolytic nickel-phosphorus alloy solution, a preparation method, an electroplating method and a nickel-phosphorus alloy coating. The nickel-phosphorus alloy solution comprises 20-500 g / L of nickel salt, 30-300 g / L of phosphorous acid compound, 5-30 g / L of boric acid, 0.5-50 g / L of organic acid and 0.2-35 g / L of pyridinium compound. The present application adopts a positive and reverse pulse cyclic electroplating method, can obtain a nickel-phosphorus alloy electroplating product with uniform coating distribution, saves the amount of nickel-phosphorus alloy used for each plating piece, reduces the production cost, improves the product quality, and can meet the trend of high-end development of electroplating manufacturing nickel-phosphorus alloy coating in the field of electronic product manufacturing.

The invention discloses a nitro reduction reaction based on liquid drop acceleration. According to the invention, the liquid drop chemistry is proposed for the first time to accelerate the reduction of nitryl to amido, and mild and efficient synthesis of organic amine compounds, especially aromatic amines such as paracetamol and the like can be realized; moreover, on the basis of a cascade reaction of liquid drop accelerated nitro reduction and Cartesian condensation, the invention also provides an on-line derivative nitro compound to be an ionic pyridinium compound, so that high-sensitivity detection of the nitro compound by the atmospheric pressure mass spectrum is realized, and the bottleneck that the nitro compound cannot be measured by the atmospheric pressure mass spectrum is solved; the method provided by the invention not only provides an efficient and green methodology for synthesis of organic amine drugs, but also provides a method support for high-sensitivity mass spectrum determination of nitro compounds in various samples.

A photoelectric conversion element includes a first electrode, a photoelectric conversion layer, where the photoelectric conversion layer has a perovskite structure, a hole-transporting layer, a second electrode, and a film including a compound represented by General Formula (2) disposed between the photoelectric conversion layer and the hole-transporting layer. In General Formula (2), A is a cationic amino compound represented by General Formula (6) or General Formula (7), a cationic pyridinium compound, a cationic imidazolinium compound, or a cationic pyrrolidinium compound. In General Formula (6), R1 is —H, —F, —CF3, or —OCH3, n is 1 or 2, and X is Br or I. In General Formula (7), n is an integer of 5 or greater but 12 or less, and X is Br or I.