Patent ID: 7632856

Claim:
A method of treating, ameliorating, or inhibiting the effects of movement disorders and/or motor fluctuations in a subject suffering from Parkinson's disease, the method comprising administering to the subject an effective amount of a compound of formula I, wherein X is CH 2 or CF 2 ; R 1 is selected from hydrogen or C 1-4 alkyl optionally substituted by at least one hydroxy; R 2 is selected from hydrogen or C 1-4 alkyl optionally substituted by at least one hydroxy; R 3 is selected from hydrogen or unsubstituted C 1-4 alkyl; R 3a is selected from hydrogen or unsubstituted C 1-4 alkyl; R 4 is selected from hydrogen; halogen; C 1-4 alkyl optionally substituted by at least a group selected independently from halogen and a phenyl group; or C 1-4 alkoxy optionally substituted by at least a group selected independently from halogen, C 1-4 alkoxy and a phenyl group; R 5 is selected from hydrogen; halogen; C 1-4 alkyl optionally substituted by at least a group selected independently from halogen and a phenyl group; or C 1-4 alkoxy optionally substituted by at least a group selected independently from halogen, C 1-4 alkoxy and a phenyl group; R 6 is selected from hydrogen; halogen; C 1-4 alkyl optionally substituted by at least a group selected independently from halogen and a phenyl group; or C 1-4 alkoxy optionally substituted by at least a group selected independently from halogen, C 1-4 alkoxy and a phenyl group; R 7 is selected from hydrogen; halogen; C 1-4 alkyl optionally substituted by at least a group selected independently from halogen and a phenyl group; or C 1-4 alkoxy optionally substituted by at least a group selected independently from halogen, C 1-4 alkoxy and a phenyl group; with the proviso that if X is CH 2 , then R 7 is different from hydrogen; or a pharmaceutically acceptable salt thereof or a stereoisomeric forms thereof.