Benzoxazinone compounds of general formula (I): ##STR1## useful in the treatment of serotoninergic disorders, especially anxiety and schizophrenia, requiring for their treatment compounds which are 5-HT.sub.1A receptor agonists, wherein R.sub.1, R.sub.2, R.sub.3, and n are as defined in the description, and medicinal products containing the same, are disclosed.