| 摘要 |
<p>A compound of the general formula (I) wherein R1 is selected from the group consisting of phenyl unsubstituted or substituted with 1 to 3 substituents selected from F, Cl, Br, I, CN, -O-C1-C3-alkyl, fluorinated -O-C1-C3-alkyl, -(CH2)mOH and 5-membered heterocyclic group with 1 or 2 heteroatoms selected from N, O and S; and 6- or 10-membered heteroaryl with 1 to 3 heteroatoms selected from O, N and S; R2 and R3 independently of each other represent H atom or straight or branched C1-C3 alkyl; R4 is selected from the group consisting of 4- to 6- membered cycloalkyl, wherein one of carbon atoms can be replaced by O atom, and which is unsubstituted or substituted with one or two halogen atoms,and straight or branched C1-C4 alkyl; Q represents a bond or C1-C3-alkylene, which can be optionally substituted by one to three C1-C3-alkyls; X is selected from the group consisting of O, NR5, and S(O)p; R5 represents H atom or C1-C3alkyl; m is 1, 2 or 3; p is 0, 1 or 2; and salts thereof, for use as a medicament, in particular for treating cognitive function disorders and neurodegenerative diseases.</p> |
