Pyridoxal analogues for vitamin b-6 disorders

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 491/04 (2006.01) A61K 31/44 (2006.01) A61K 45/06 (2006.01) A61P 9/00 (2006.01) C07D 213/66 (2006.01)

Patent

CA 2366602

Pyridoxal analogues can be useful for treating B6 deficiency and related diseases; cardiovascular and related diseases; melanoma and related diseases; and symptoms thereof. The analogues have formula (V) or (VI) or a pharmaceutically acceptable acid addition salt thereof, in which R1 is alkyl, alkenyl, in which alkyl or alkenyl can be interrupted by nitrogen, oxygen, or sulfur, and can be substituted at the terminal carbon by hydroxy, alkoxy, alkanoyloxy, alkanoyloxyaryl, alkoxyalkanoyl, alkoxycarbonyl, or dialkylcarbamoyloxy; alkoxy; dialkylamino; alkanoyloxy; alkanoyloxyaryl; alkoxyalkanoyl; alkoxycarbonyl; dialkylcarbamoyloxy; or aryl, aryloxy, arylthio, or aralkyl, in which aryl can be substituted by alkyl, alkoxy, amino, hydroxy, halo, nito, or alkanoyloxy. R2 is secondary amine. These analogues can be administered, either alone or concurrently with known medications, to treat the above-described diseases.

Ces analogues de pyridoxal peuvent être utiles pour traiter une carence en vitamine B¿6? et maladies associées, pour traiter des maladies cardio-vasculaires et maladies associées, le mélanome et maladies associés, et des symptômes de ces maladies. L'invention concerne des analogues correspondant aux formules (V) ou (VI), de même qu'un sel d'addition d'acide de ceux-ci, acceptable sur le plan pharmacologique. Dans ces formules, R¿1? représente alkyle, alcényle, lesquels peuvent être interrompus par azote, oxygène ou soufre et peuvent être substitués au niveau de leur extrémité carbone par hydroxy, alcoxy, alcanoyloxy, alcanoyloxyaryle, alcoxyalcanoyle, alcoxycarbonyle, ou dialkylcarbamoyloxy; alcoxy; dialkylamino; alcanoyloxy; alcanoyloxyaryle; alcoxyalcanoyle; alcoxycarbonyle; dialkylcarbamoyloxy; ou aryle, aryloxy, arylthio, ou aralkyle, dans lesquels aryle peut être substitué par alkyle, alcoxy, amino, hydroxy, halo, nitro, ou alcanoyloxy, et R?2¿ représente une amine secondaire. On peut administrer ces analogues, seuls, ou conjointement avec d'autres médicaments connus, afin de traiter les maladies ci-dessus décrites.

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