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32 results about "Amine oxidase inhibitors" patented technology

N an enzyme that catalyzes the oxidation of amines. monoamine oxidase inhibitor (MAOI), n an agent that blocks the oxidation and deamination of monoamines. The action of the inhibitor may increase the presence of catecholamines, which have antidepressant properties, but it is used for a range of disorders.

Inhibitor for monoamine oxidase A

The invention discloses an inhibitor for monoamine oxidase A. The inhibitor for the monoamine oxidase A is obtained by using cheap ruthenium / carbon as a catalyst to catalyze thioether synthesis at room temperature. The method specifically comprises the following steps: by taking a compound represented by a formula (III) shown in the specification as a reaction raw material, the Ru / C as the catalyst, NaIO4 as an oxidizing agent and water as a solvent, performing a reaction at room temperature, and after the reaction is finished, carrying out post-treatment on the reaction solution to obtain thesulfone compound represented by a formula (IV) shown in the specification. According to the method, the water is used as the solvent, the cheap ruthenium / carbon is oxidized by sodium periodate to generate ruthenium tetroxide, so that the thioether compound is further oxidized to synthesize the target product, and the preparation method is more efficient, faster, more environmentally friendly andmilder; and the prepared inhibitor for the monoamine oxidase A has good monoamine oxidase A inhibition activity, can be used for preparing drugs for inhibiting the activity of the monoamine oxidase A,has a wide application prospect in drug development, and is expected to provide a more effective way for treatment of related diseases.
Owner:ZHEJIANG UNIV OF TECH

Preparation method and application of monoamine oxidase A inhibitor

The invention discloses a preparation method and application of a monoamine oxidase A inhibitor. The preparation method comprises the steps: S1, Chinese prickly ash and an ethanol solution are placedin to a container, and an extract solution is obtained through heating reflux; S2, ethanol is removed after reduced-pressure concentration, and an aqueous solution is obtained; S3, the PH value is adjusted to be 2-3, and acid filtrate and precipitates are obtained through filtering and precipitation; S4, after the precipitates are dried, an extract of the precipitates are obtained; S5, the PH value of the acid filtrate is adjusted to be 9-10, and alkaline filtrate is obtained; S6, the alkaline filtrate is extracted through dichloromethane, dichloromethane extraction liquid is obtained, and after concentration and drying, a dichloromethane extract-phase extract is obtained; S7, the alkaline filtrate is extracted through n-butanol, n-butanol extraction liquid is obtained, and after concentration and drying, an n-butanol extract-phase extract is obtained; and S8, sulfuric acid is added into the alkaline filtrate to adjust the PH value to be neutral, and an extract of a mother solution isobtained. The monoamine oxidase A inhibitor can be applied to prevention and treatment of related diseases with the excessively-high monoamine oxidase A activity.
Owner:SICHUAN ACAD OF CHINESE MEDICINE SCI
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