PYRAZOLE DERIVATIVE AS MODULATOR OF 5-HT2A SEROTONIN RECEPTOR USEFUL FOR TREATMENT OF DISORDER RELATED THERETO

PROBLEM TO BE SOLVED: To provide pyrazole derivatives as modulators of the 5-HTserotonin receptor useful for treatment of disorders related thereto.SOLUTION: There is provided pyrazole derivatives of Formula (Ia) and pharmaceutical compositions thereof that modulate the activity of the serotonin 5HTreceptor. Compounds and the pharmaceutical compositions thereof are directed to methods useful in: the treatment of insomnia and related sleep disorders, platelet aggregation, coronary artery disease, myocardial infarction, transient ischemic attack, angina, stroke, and atrial fibrillation; and reducing the risk of blood clot formation, asthma or symptoms thereof, agitation or symptoms thereof, behavioral disorders, drug induced psychosis, excitative psychosis, Gilles de la Tourette's syndrome, manic disorder, organic or NOS psychosis, psychotic disorders, psychosis, acute schizophrenia, chronic schizophrenia, NOS schizophrenia and related disorders, diabetic-related disorders, progressive multifocal leukoencephalopathy and the like.