[EN] QUERCETIN DERIVATIVES, THEIR PHARMACEUTICAL COMPOSITION AND USE<br/>[FR] DÉRIVÉS DE QUERCÉTINE, LEUR COMPOSITION PHARMACEUTIQUE ET LEUR UTILISATION
申请人:USTAV EX FARMAKOLOGIE A TOXIKOLOGIE SAV
公开号:WO2013130020A1
公开(公告)日:2013-09-06
The invention relates to semi-synthetic derivatives of quercetin formula I and pharmaceutically acceptable salts, hydrates and solvates, wherein groups R1 to R5, identical or different, are independently H, benzyl, and at least one group is 3-chloro-2,2-dimethylpropanoyl, 4-O-acetylferuloyl, or 2-chloro-1,4-naphthoquinon-3-yl. The invention relates to the use of derivatives of quercetin, the preparation of medicaments for the treatment or prevention of diseases or disorders where oxidative stress and polyol pathway are key etiological factors. The invention also relates to pharmaceutical compositions containing these compounds and their use in the treatment of human and animal health problems in which R1 to R5 are independently H, benzyl, and at least one group is selected from 3-chloro-2,2-dimethylpropanoyl, 4-O-acetylferuloyl, or 2-chloro-1,4-naphthoquinon-3-yl.
该发明涉及槲皮素的半合成衍生物(化学式I)及其药用可接受的盐、水合物和溶剂化合物,其中R1至R5基团,相同或不同,独立地为H、苄基,至少一个基团为3-氯-2,2-二甲基丙酰基、4-O-乙酰基香豆酰基或2-氯-1,4-萘醌-3-基。该发明涉及槲皮素衍生物的用途,制备治疗或预防氧化应激和多醇途径是关键病因因素的疾病或紊乱的药物。该发明还涉及含有这些化合物的药物组合物及其在治疗人类和动物健康问题中的用途,其中R1至R5基团独立地为H、苄基,并且至少一个基团选自3-氯-2,2-二甲基丙酰基、4-O-乙酰基香豆酰基或2-氯-1,4-萘醌-3-基。