Preventives or remedies for alzheimer's disease or amyloid...

C - Chemistry – Metallurgy – 07 – D

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C07D 237/20 (2006.01) A61K 31/50 (2006.01) A61K 31/505 (2006.01) A61K 31/53 (2006.01) A61P 25/28 (2006.01) A61P 43/00 (2006.01) C07D 237/22 (2006.01) C07D 239/48 (2006.01) C07D 239/50 (2006.01) C07D 241/20 (2006.01) C07D 251/18 (2006.01) C07D 251/48 (2006.01) C07D 251/52 (2006.01) C07D 251/70 (2006.01)

Patent

CA 2468948

Preventives or remedies for Alzheimer~s disease or amyloid protein fibrosis inhibitors containing, as the active ingredient, compounds having the following general formula (I) or pharmacologically acceptable salts thereof; and nitrogen-containing heteroaryl derivatives having specific substituents, which are useful as preventives or remedies for Alzheimer~s disease or amyloid protein fibrosis inhibitors, or pharmacologically acceptable salts thereof: (I) wherein R1 and R2 represent each H or alkyl; Z1 and Z2 represent each H, alkyl, alkoxy, haloalkyl or halogeno; Z3 represents alkoxy, SH, alkylthio, NH2, mono- or dialkylamino, OH or halogeno; Z4 and Z5 represent each H or halogeno; and A represents 4,6-pyrimidine-1,3-diyl, 1,3,5-triazine-2,6-diyl, etc.

Cette invention se rapporte à des agents préventifs ou à des remèdes contre la maladie d'Alzheimer ou à des inhibiteurs de la fibrose des protéines amyloïdes contenant, comme principe actif, des composés représentés par la formule générale (I) ou des sels de ceux-ci acceptables sur le plan pharmacologique; ainsi qu'à des dérivés hétéroaryle à teneur en azote comportant des substituants spécifiques, qui sont utiles comme agents préventifs ou comme remèdes contre la maladie d'Alzheimer ou comme inhibiteurs de la fibrose des protéines amyloïdes, ou des sels de ceux-ci acceptables sur le plan pharmacologique. Dans ladite formule (I), R<sp>1</sp> et R<sp>2</sp> représentent chacun H ou alkyle; Z<sp>1</sp> et Z<sp>2</sp> représentent chacun H, alkyle, alkoxy, haloalkyle ou halogéno; Z<sp>3</sp> représente alkoxy, SH, alkylthio, NH<sb>2</sb>, mono- ou dialkylamino, OH ou halogéno; Z<sp>4</sp> et Z<sp>5</sp> représentent chacun H ou halogéno; et A représente 4,6-pyrimidine-1,3-diyle, 1,3,5-triazine-2,6-diyle, etc.

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