| abstract |
Dihydro-benzo [b] [1,4] diazepin-2-one derivatives of formula (I) are disclosed, wherein R1, R2, X and Y are as defined in the specification and R3 is a six-membered aromatic heterocycle containing 1 to 3 nitrogen atoms or a pyridine-N-oxide as further defined in the specification. Also disclosed are medicaments containing these compounds, a process for their preparation as well as their use for preparation of medicaments for the treatment or prevention of acute and/or chronic neurological disorders including psychosis, schizophrenia, Alzheimer's disease, cognitive disorders and memory deficits. |