The present invention discloses compounds of formula I ##STR00001##
wherein Ar, X, R.sup.1 and R.sup.11 are herein defined, said compounds
being novel antagonists for melanin-concentrating hormone (MCH), as well
as methods for preparing such compounds. In another embodiment, the
invention discloses pharmaceutical compositions comprising such MCH
antagonists as well as methods of using them to treat obesity, metabolic
disorders, eating disorders such as hyperphagia, and diabetes.