摘要 |
<p>The invention relates to malonamide derivatives of formula wherein A<SUP>1</SUP>, A<SUP>2</SUP>, R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, and R<SUP>4 </SUP>are as defined herein and to pharmaceutically acceptable acid addition salts, optically pure enantiomers, racemates or diastereomeric mixtures thereof for the treatment of Alzheimer's disease.</p> |