| abstract |
The compounds of formula (I), or its pharmaceutically acceptable salts, or any stereoisomer or mixture thereof, wherein: R 1 and R 1 ' are both H or R 1 and R 1 ' are taken together forming a biradical of formula -CH 2 -C(R 4 )=CH-, R 2 and R 3 are radical independently selected from the group consisting of H, F, Cl and (C 1 -C 4 )-alkyl; R 4 is a (C 1 -C 2 )-alkyl radical; and n is an integer from 2 to 15, are useful for the treatment of a neurodegenerative disorder such as Alzheimer's disease. |