Patent ID: 7166635

Claim:
A compound having the structure: wherein each of Y 1 , Y 2 and Y 3 is independently —H, straight chained or branched C 1 –C 7 alkyl, monofluoroalkyl or polyfluoroalkyl, —F, —Cl, —Br, —I, —NO 2 , —CN, —OR 3 , —OCOR 3 , —NCOR 3 , —N(R 3 ) 2 , —CON(R 3 ) 2 , —COOR 3 , aryl, heteroaryl or any two of Y 1 , Y 2 and Y 3 moieties present on adjacent carbon atoms can constitute a methylenedioxy group; wherein R 1 is straight chained or branched C 1 –C 7 alkyl, —F, —Cl, —Br, —I, —N 3 , —CN, —OR 3 , —CON(R 3 ) 2 , —COOR 3 , C 3 –C 7 cycloalkyl or C 5 –C 7 cycloalkenyl, aryl or heteroaryl; wherein each R 2 is independently —H, straight chained or branched C 1 –C 7 alkyl, monofluoroalkyl or polyfluoroalkyl, —F, —Cl, —Br, —I, —N 3 , —CN, —OR 3 , —CON(R 3 ) 2 , —COOR 3 , aryl, heteroaryl, C 3 –C 7 cycloalkyl or cycloalkenyl or any two R 2 moieties present on adjacent carbon atoms can constitute a methylenedioxy group or a difluoromethylenedioxy group or any two R 2 moieties present on adjacent carbon atoms along with the adjacent carbon atom can constitute an aryl or a heteroaryl ring; wherein each R 3 is independently —H, straight chained or branched C 1 –C 7 alkyl, monofluoroalkyl or polyfluoroalkyl, C 3 –C 7 cycloalkyl or C 5 –C 7 cycloalkenyl, aryl or heteroaryl; and wherein R 4 is —H, —F, —Cl or methyl; or a pharmaceutically acceptable salt thereof.