Flavonoid compounds and their pharmaceutical uses

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 311/62 (2006.01) A61K 31/352 (2006.01) A61P 17/00 (2006.01) C07D 311/30 (2006.01) C07H 17/065 (2006.01) C07H 17/07 (2006.01) G01N 33/50 (2006.01)

Patent

CA 2462809

The invention relates to flavonoids compounds of formula (I) and (II) capable of modifying the dynamic and/or physical state of biological membranes and to stimulate the endogenous synthesis of stress proteins in eukaryotic cells. Such compounds are molecules of plant origin or synthetic. The invention also describes a method to identify, purify and chemically synthesize such flavonoid compounds and test their efficacy through their capacity to stimulate the transcription of stress genes and as a consequence, to interact with biological membranes with alteration of their relative physical state. Such compounds and corresponding pharmaceutically acceptable derivatives and/or salts have applications in the areas of pharmaceuticals, more specifically in cosmetics and dermatology, for all those afections related to an alteration of the expression of stress genes.

La présente invention concerne des composés flavonoïdes représentés par la formule (I) et (II) capables de modifier l'état dynamique et/ou physique de membranes biologiques et de stimuler la synthèse endogène de protéines du stress dans des cellules eucaryotes. Ces composés sont des molécules d'origine végétale ou synthétique. Cette invention concerne aussi un procédé d'identification, de purification et de synthèse chimique de ces composés flavonoïdes et un procédé permettant de tester leur efficacité à travers leur capacité de stimuler la transcription de gènes du stress et, par voie de conséquence, d'interagir avec des membranes biologiques avec une modification de leur état physique relatif. Ces composés et les dérivés et/ou les sels correspondants répondant aux normes pharmaceutiques possèdent des applications dans le domaine des produits pharmaceutiques, plus spécialement dans la cosmétique et la dermatologie, pour toutes les affections liées à une modification de l'expression des gènes du stress.

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