| abstract |
The invention relates to compounds of the general formula (I) wherein HET an d R1 to R12 have the significances as defined in the specification, as well as their phamaceutically acceptable salts. The invention further relates to medicaments containing such compounds and a process for the preparation of such compounds. The compounds of formula (I) are group (I) mGluR antagonists and are therefore useful for the control or prevention of acute and/or chron ic neurological disorders. |