The use of quinoline-3-carboxamide compounds for treatment...

A - Human Necessities – 61 – K

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A61K 31/47 (2006.01) C07D 215/54 (2006.01) C07D 215/56 (2006.01)

Patent

CA 2131831

The use of an anti-diabetic quinoline-3-carboxamide compound comprising the structure (1), optionally with substituents for the hydrogen atoms shown (H1-9), and a salt of the compound (I) where (a)------ represents that there are two conjugated double bonds between the atoms comprised by the dashed line, (b) X1 and X2 are separately selected from an oxygen atom or an NH9 group, said X1 and X2 being bound by a single bond to the ring when attached to H7 or H8 and by a double bond when not bound to H7 or H8, (c) H1-9 are hydrogens with the provision that H9 is only present when at least one of X1 and X2 is the NH9 group, (d) H7 and H8 are hydrogens that are attached to different atoms selected among X1, X2 and the nitrogen atom (N) in the quinoline ring, for the manufacture of a composition intended for the treatment of conditions associated with Type I diabetes. Also described are treatment methods for diabetes in which methods these compounds are administered to a patient. Particularly preferred compounds are N-phenyl-N-methyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo- quinoline-3-carboxamide or a salt thereof.

On décrit l'utilisation d'un composé de quinoline-3-carboxamide anti-diabète, ainsi qu'un de ses sels. Ce composé, qui comporte éventuellement des substituants des atomes d'hydrogène représentés (H1-9), répond à la structure I ci-dessous où a)----- signifie qu'il existe deux doubles liaisons conjuguées entre les atomes reliés par ces pointillés, b) X1 et X2 sont chacun choisis entre un atome d'oxygène ou un groupe NH9 et comportent une seule liaison avec le cycle, lorsqu'ils sont attachés à H7 ou H8, c) H1-9 représentent hydrogène à condition que H9 ne soit présent que quand au moins X1 ou X2 représente le groupe NH9, d) H7 et H8 représentent hydrogène et sont liés à différents atomes choisis parmi X1, X2 et l'atome d'azote (N) du cyle quinoline. Ce composé et son sel permettent de fabriquer une composition visant à traiter des troubles engendrés par le diabète de type I. On décrit aussi des traitements du diabète prévoyant l'administration de ces composés à un patient. Les composés préférés sont N-phényle-N-méthyle-1, 2-dihydro-4-hydroxy-1-méthyle-2-oxo-quinoline-3-carboxamide ou un de ses sels.

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