Pharmaceutical compositions containing as active agent...

A - Human Necessities – 61 – K

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A61K 31/35 (2006.01) C07D 311/36 (2006.01) C07D 311/38 (2006.01)

Patent

CA 2167597

The present invention relates to pharmaceutical compositions containing as active agent isoflavone derivatives of general formula (I), wherein R1 represents a C2-C18alkyl optionally substituted by C1-6alkoxy, hydroxyl, C1-6carbalkoxy, phenyl, benzoyl or a halo atom; phenylalkyl containing a C1-3alkyl chain optionally substituted by a halo atom or a nitro group or C2-6alkenyl; R2 and R3 stand for hydrogen or C1-6alkoxy; R4 stands for hydrogen, C1-6alkyl or carboxyl; R5 stands for hydrogen or C1-4alkyl; R6 stands for hydrogen or, if R5 stands for hydrogen, R6 may also stand for methyl or hydroxymethyl, with the proviso that if R2, R3, R4, R5 and R6 stand for hydrogen, R1 is other than isopropyl, or salt thereof. The pharmaceutical compositions according to the invention are prepared by known methods and are suitable for the treatment of osteoporosis.

La présente invention se rapporte à des compositions pharmaceutiques contenant comme agent actif des dérivés de l'isoflavone de la formule générale (I), dans laquelle R<1> représente un groupe alkyle C2-18 éventuellement substitué par alcoxyC1-6, hydroxyle, carbalcoxyC1-6, phényle, benzoyle ou un atome halo; phénylalkyle contenant une chaîne alkyle C1-3 éventuellement substituée par un atome halo ou un groupe nitro ou alcényleC2-6; R<2> et R<3> remplacent hydrogène ou alcoxyC1-6; R<4> remplace hydrogène, alkyleC1-6 ou carboxyle; R<5> remplace hydrogène ou alkyleC1-4; R<6> remplace hydrogène ou, si R<5> remplace hydrogène, R<6> peut également remplacer méthyle ou hydroxyméthyle, à condition que, si R<2>, R<3>, R<4>, R<5> et R<6> remplacent hydrogène, R<1> soit différent d'isopropyle, ou un sel de celui-ci. Les compositions pharmaceutiques de l'invention sont préparées à l'aide de procédés connus et sont appropriées au traitement de l'ostéoporose.

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