Patent ID: 7351709

Claim:
A compound of the structure I: or a pharmaceutically acceptable salt thereof; wherein: m is 1, 2, 3, 4, or 5; n is, independently, 0, 1, 2, 3, 4, or 5; W is O or C(R 8 ) 2 ; Y is (C(R 8 ) 2 ) n —X—(C(R 8 ) 2 ) n , wherein X is a bond, O, OC(═O), C(═O), or S(O) 2 ; R 1 is H, C 1 -C 6 alkyl, C 2 -C 7 alkenyl, cycloalkyl, cycloalkenyl, or arylalkyl; R 2 and R 3 are each, independently, H, C 1 -C 6 alkyl, or C 2 -C 7 alkenyl, provided that both are not H; R 4 , R 5 , R 6 , and R 7 are each, independently, H, C 1 -C 6 alkyl, C 2 -C 7 alkenyl, hydroxyl, alkoxy, aryloxy, halogen, trifluoromethyl, CN, NO 2 , C(═O)R 8 , or C(═O)OR 8 ; and R 8 is, independently, H, C 1 -C 6 alkyl, or phenyl, wherein each of said C 1 -C 6 alkyl, said C 2 -C 7 alkenyl, said cycloalkyl, said cycloalkenyl, said alkoxy, said arylalkyl, said aryloxy, and said phenyl is optionally substituted with 1-3 moieties independently selected from the group consisting of halogen, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, NR 4 R 5 , N[(CH 2 ) 2 ] 2 O, N[(CH 2) 2 ] 2 NR 4 , NHSO 2 R 4 , NR 4 C(═O)R 5 , NHC(—O)OR 4 , NO 2 , SO 2 NR 4 R 5 , SO 2 R 4 , OR 4 , C(═O)R 4 , COOR 4 , CONR 4 R 5 , and CN.