The subject of the patent application is a nitroxyl derivative of polyphenol with the formula: Q-(L-A)n, where Q denotes a group derived from polyphenol; L denotes an ester linking group containing 1 to 3 carbon atoms; A denotes a 5- or 6-membered heterocyclic group containing one nitrogen atom in the form of a nitroxyl radical (NO•), in which both carbon atoms adjacent to the nitroxyl radical are independently substituted by one or two C1-C3 alkyl groups; and n denotes an integer from 1 to 5. The subject of the application also includes methods for obtaining the above-mentioned derivative and its use as an antioxidant, especially an anti-aging agent.

Nencki Institute is the co-applicant with University of Warsaw. University of Warsaw is the leader in patent protection and commercialization-related activities.

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