| abstract |
The present invention relates to compounds of formula I wherein R 1 is lower alkyl; R 2 is phenyl or pyridinyl, wherein the N atom in the pyridinyl group may be in different positions; n is 0, 1 or 2; V/U are independently from each other O or CH 2 , wherein V and U cannot be simultaneously O; L is a five or six membered heteroaryl group, selected from or to a pharmaceutically acceptable salt or acid addition salt, to a racemic mixture, or to its corresponding enantiomer and/or optical isomer and/or stereoisomer thereof. The compounds may be used for the treatment of Parkinson's disease, anxiety, emesis, obsessive compulsive disorder, autism, neuroprotection, cancer, depression and diabetes type 2. |