A novel class of 3-oxo-3H-benzo[d]isoxazole carboxamide compounds is disclosed together with the use of such compounds for inhibiting hepatic lipase and/or endothelial lipase activity for treatment, amelioration or prevention of hepatic lipase and/or endothelial lipase mediated diseases.

This application relates to a novel compound of formula I, as defined herein, processes and intermediates for its preparation and the use of the compound of formula I as a substrate for a pharmaceutical screen.

The present application relates to a series of compounds, and pharmaceutical formulations thereof, of the formula ##STR1## which provide a method of inhibiting hyperlipidemia, especially hypercholesterolemia, and the pathological sequelae thereof, in mammals, including humans.