Phosphonic acid derivatives, their preparation process and...

C - Chemistry – Metallurgy – 07 – K

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C07K 5/06 (2006.01) A61K 38/05 (2006.01) A61K 38/55 (2006.01) C07F 9/572 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2127067

Composé de formule (I) (see formula I) dans laquelle: R1 représente un groupement hydroxy, alkoxy ou amino (substitué ou non), R2 représente un groupement alkyle substitué ou non, X1 représente -NH-, X2 représente -O-, R3 représente un atome d'hydrogène, un groupement alkyle ou phényle, R4 représente un groupement alkyle toujours substitué par un ou plusieurs groupements, identiques ou différents, hydroxy, benzyloxy, benzyloxycarbonylamino, amino, mono ou dialkylamina, acétoxy ou 2,2-diméthyl-1,3-dioxolan-4-yl, R5 représente un groupement indol-3-ylméthyle, naphtylméthyle, alkyle, phényle ou benzyle, ses isomères ainsi que ses sels d'addition à un acide ou à une base pharmaceutiquement acceptable.

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