Crystalline forms of genistein

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 311/36 (2006.01) A61K 31/352 (2006.01) A61P 35/00 (2006.01)

Patent

CA 2746652

The disclosure relates to new crystalline forms of genistein. The disclosed crystalline forms include crystalline genistein sodium salt dihydrate; crystalline genïstein potassium salt dihydrate; crystalline genistein calcium salt; crystalline genistein magnesium salt; crystalline genistein L-iysine salt; crystalline genistein N - methy!glucamine salt; crystalline genistein N-ethylglucamine salt; crystalline genistein diethylamine salt; and crystalline genistein monohydrate. The disclosure also relates to the novel genistein salts represented by these crystalline forms. Therapeutic compositions containing at least one of these crystalline forms of genistein and/or a genistein salt and a pharmaceutically acceptable carrier are described. The disclosure also relates to methods of treating cancer comprising the step of administering to a patient in need thereof a therapeutically effective amount of a therapeutic composition containing the compounds of the disclosure, of a crystalline form of genistein, or of a genistein salt.

La présente invention concerne de nouvelles formes cristallines de la génistéine. Les formes cristallines divulguées comprennent le sel sodique dihydraté cristallin de la génistéine ; le sel potassique dihydraté cristallin de la génistéine ; le sel calcique cristallin de la génistéine ; le sel magnésique cristallin de la génistéine ; le sel de L-lysine cristallin de la génistéine ; le sel de N-méthylglucamine cristallin de la génistéine ; le sel de N-éthylglucamine cristallin de la génistéine ; le sel de diéthylamine cristallin de la génistéine ; et la génistéine monohydratée cristalline. Linvention concerne également les nouveaux sels de génistéine représentés par ces formes cristallines. Linvention concerne également des compositions thérapeutiques renfermant au moins lune de ces formes cristallines de la génistéine et/ou un sel de la génistéine et un support pharmaceutiquement acceptable. Linvention concerne également des méthodes de cancérothérapie comprenant létape consistant à administrer à un patient en ayant besoin une quantité thérapeutiquement efficace dune composition thérapeutique renfermant les composés de linvention, dune forme cristalline de la génistéine ou dun sel de la génistéine.

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