Patent ID: 7998970

Claim:
A method for the treatment of neurologically-associated disorders in a subject in need of such treatment, wherein said neurologically-associated disorder is Parkinson's disease, which comprises administering to said subject a therapeutically effective amount of a compound of formula (I) wherein R1 and R2 are independently of one another in each case hydrogen or methyl, R3 is hydroxy, C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl C 1 -C 8 -alkoxy C 1 -C 8 -monoor dialkylamino or C 1 -C 8 -alkyldiamino wherein each of the preceding residues can be unsubstituted or substituted by one to three substituents, independently of one another selected from the group consisting of hydroxy, halo, cyano, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy and phenyl, heteroaryl, heteroaryloxy, heteroarylamino, aryl, aryloxy or arylamino, wherein the heteroaryl or aryl moiety of each of the preceding residues can be unsubstituted or substituted by one to three substituents, independently of one another selected from the group consisting of hydroxy, halo, cyano C 1 -C 4 -alkyl, C1-C4-alkoxy trihalomethyl phenyl and phenyloxy, R 4 , R 5 and R 6 are independently of one another in each case hydrogen or C 1 -C 8 alkyl n is 0 or 1 and ------ is a double or a single bond, or of a salt thereof.