The present invention relates to 2-oxo-2,3 of formula I - indole, or a pharmaceutically acceptable salt, racemic mixture, or their corresponding enantiomers and / or optical isomers and / or stereoisomers that It relates:
[Formula I]

Wherein
In Ar ¹ is phenyl, or N, being 5-or 6-membered heteroaryl odd containing one, two or three heteroatoms selected from S or O, N- heteroaryl group within a heteroatom is N ^{+ -} - (O) It can be oxidized and;
R ¹ is lower alkyl, halogen, cyano or cycloalkyl;
Ar ² is oxidized to N, are 5-or 6-membered heteroaryl odd containing 1, 2, 3 or 4 heteroatoms selected from S or O, N- heteroaryl group within a heteroatom is N ^{+ -} - (O) may be, Ar ² is a benzo [b] thiophenyl and phenyl;
R ² is hydrogen, lower alkyl, halogen, cyano, hydroxyl lower alkyl substituted by hydroxy, lower alkyl substituted by halogen, lower alkyl substituted by amino, lower alkyl substituted by alkoxycarbonyl, a lower alkyl substituted amide, or cycloalkyl;
X is CH or N;
n is 1 or 2;
m is 1 or 2.
The compound is the amount of schizophrenia sexual symptoms (psychosis) and negative symptoms, drug abuse, alcohol and drug addiction, obsessive-compulsive disorder, cognitive impairment, bipolar disorder, mood disorders, major depressive disorder, treatment resistant depression, anxiety disorders, Alzheimer's disease, autism, Parkinson's disease, chronic pain, borderline personality disorders, neurodegenerative diseases, sleep disorders, chronic fatigue syndrome, spasticity, inflammatory diseases, asthma, Huntington's disease, ADHD, amyotrophic lateral sclerosis, epilepsy, effect on arthritis, autoimmune diseases It can be used in the treatment of viral and fungal infections in the CNS related diseases, cardiovascular diseases, and inflammatory ophthalmic diseases of the retina or balance disorders.