C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 413/14 (2006.01) C07D 401/14 (2006.01) C07D 417/14 (2006.01) A61K 31/496 (2006.01)
Patent
CA 2516822
A process for producing an acid adduct salt of polyacidic base compound or a water adduct thereof characterized in that a polyacidic base compound having a moiety of basicity stronger than that of pyridine is reacted with an acid salt of pyridine. This process enables easy appropriate changing of the acid addition quantity of the acid adduct salt of polyacidic base compound to a quantity suitable for the polyacidic base compound.
L'invention concerne un procédé de production d'un sel d'addition d'acide d'un composé polyacide ou d'un adduit d'eau de celui-ci. Ce procédé se caractérise en ce qu'il consiste à faire réagir un composé polyacide, possédant une fonction de basicité plus forte que celle de la pyridine, avec un sel acide de pyridine. Ce procédé permet de modifier facilement de manière appropriée la quantité d'addition d'acide du sel d'addition d'acide du composé polyacide de façon à obtenir une quantité adaptée au composé polyacide.
Matsuda Takayuki
Ohgiya Tadaaki
Shibuya Kimiyuki
Gowling Lafleur Henderson Llp
Kowa Co. Ltd.
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