Abstract: The compounds are of the class of benzisoxazolyl-, pyridoisoxazolyl- and benzthienyl-phenoxy derivatives, useful as D4 antagonists. Said compounds are useful for the treatment of medical conditions mediated by inhibition of D4 receptor. These conditions comprise, for example, Attention Deficit Hyperactivity Disorder, Obsessive-Compulsive Disorder, Psychoses, Substance Abuse, Substance Dependence, Parkinson's Disease, Parkinsonism, Tardive Diskinesia, Gilles de la Tourette Syndrome, Conduct Disorder, and Oppositional Defiant Disorder. A further aspect of the invention is to provide a pharmaceutical composition, intermediates, and a method of making said class of compounds.