C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 419/14 (2006.01) C07D 333/54 (2006.01)
Patent
CA 2530309
The present invention is concerned with a novel process for the preparation of compounds of formula (I) and optionally converting a compound of formula (I) into a pharmaceutically acceptable salt, wherein R1 and R 2 are as defined in the description and claims. The compounds of formula (I) and the corresponding salts, e.g. the sodium salts, are pharmaceutically active substances.
L'invention concerne un procédé de préparation de composés de formule (I) et éventuellement un procédé permettant de convertir un composé de formule (I) en un sel acceptable sur le plan pharmaceutique, dans laquelle R?1¿ et R ?2¿ sont tels que définis dans la description et les revendications. Les composés de formule (I) et les sels correspondants, par exemple, les sels de sodium, sont des substances actives sur le plan pharmaceutique.
Goehring Wolfgang
Hoffmann Ursula
Scalone Michelangelo
Stahr Helmut
Wang Shaoning
F. Hoffmann-La Roche Ag
Gowling Lafleur Henderson Llp
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