Patent ID: 7012089

Claim:
A compound of Formula I: wherein R 1 and R 2 are, independently, hydrogen, hydroxy, halo, cyano, carboxamido, carboalkoxy of two to six carbon atoms, trifluoromethyl, trifluoromethoxy, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, alkanoyloxy of 2 to 6 carbon atoms, alkanoyl of 2 to 6 carbon atoms, amino, mono- or di-alkylamino in which each alkyl group has 1 to 6 carbon atoms, alkanamido of 2 to 6 carbon atoms, alkanesulfonyl of 1 to 6 carbon atoms or alkanesulfonamido of 1 to 6 carbon atoms; R 3 and R 4 are, independently, hydrogen or alkyl of 1 to 6 carbon atoms, or R 3 and R 4 , taken together with the carbons to which they are attached, form a cyclic moiety selected from a cycloalkane of 5 to 8 carbon atoms, cycloalkene of 5 to 8 carbon atoms, bridged bicyclic alkane of 6 to 9 carbon atoms, bridged bicyclic alkene of 6 to 9 carbon atoms, pyran or thiopyran in which the sulfur atom is optionally oxidized to a sulfoxide or sulfone, wherein the cyclic moiety may optionally be substituted with 1 to 3 alkyl moieties of 1 to 6 carbon atoms; R 5 , R 6 and R 7 are, independently, hydrogen or alkyl of 1 to 6 carbon atoms; and a dotted line represents an optional double bond; or a pharmaceutically acceptable salt thereof.