abstract |
The present invention relates to novel substituted indole derivatives of formula (I) wherein R 1 , R 2 , R 3 , A 1 , A 2 , A 3 , Y and X have the meanings defined in the claims. The compounds according to the invention are useful as gamma secretase modulators. The present invention also relates to processes for the preparation of these novel compounds, pharmaceutical compositions containing said compounds as active ingredients, and the use of said compounds as medicaments. |