Patent ID: 7935713

Claim:
A compound represented by formula I: or a pharmaceutically acceptable salt thereof, wherein: Ring A represents a bicyclic Aryl or 8-10 membered bicyclic heteroaryl group containing 1-3 heteroatoms, 0-1 of which are O or S, and 0-2 of which are N atoms; R 1 is selected from C 1-10 alkyl and C 2-10 alkenyl, said groups being optionally substituted with: 1-5 halo groups, up to perhalo, and 1 member selected from OH, CO 2 R 4 , SO p R 5 , CN, NO 2 C(O)NR 6 R 7 , NR 6 R 7 , OC 1-6 alkyl, C 1-6 haloalkoxy, haloC 1-6 alkylthio, Aryl and Heteroaryl, said Aryl and Heteroaryl being optionally substituted with 1-3 halo groups and 1-2 members selected from the group consisting of: OH, CO 2 R 4 , SO p R 5 , CN, NO 2 , C(O)NR 6 R 7 , NR 6 R 7 ; C 1-6 alkyl, haloC 1-6 alkyl, C(O)C 1-6 alkyl, C(O)-haloC 1-6 alkyl, OC 1-6 alkyl, haloC 1-6 alkoxy C 2-6 alkenyl, haloC 2-6 alkenyl , SC 1-6 alkyl and haloSC 1-6 alkyl; R 2 represents hydrogen, C 1-6 alkyl or haloC 1-6 alkyl; four R 3 groups are present as follows: 1) 0-1 R 3 group is selected from the group consisting of: Aryl, HAR, —C 1-4 Alkyl-Aryl, —C 1-4 Alkyl-HAR, —X-Aryl, —X-HAR, —X—C 1-4 Alkyl-Aryl and —X—C 1-4 Alkyl-HAR; wherein X represents O, S, S(O) or S(O) 2 ; said Aryl and HAR groups and portions of the groups above being optionally substituted with 1-4 halo atoms, and 1-2 members selected from: OH, CN, C 1-6 alkyl, OC 1-6 alkyl, haloC 1-6 alkyl, OC 1-6 haloalkyl, NO 2 , SO p R 5 , C 2-6 alkenyl, OC 2-6 alkenyl and NR 6 R 7 ; 2) 0-3 R 3 groups are selected from: OH, CN, oxo, NO 2 , SO p R 5 , NR 6 R 7 , C 1-8 alkyl, haloC 1-8 alkyl, OC 1-8 alkyl, OC 1-8 haloalkyl, C 2-8 alkenyl, OC 2-8 alkenyl and haloC 2-8 alkenyl, and 3) any remaining R 3 groups are H or halo atoms; R 4 is H or C 1-6 alkyl, and R 5 represents a member selected from the group consisting of: C 1-8 alkyl, haloC 1-6 alkyl, Aryl or Ar—C 1-4 alkyl; R 6 and R 7 each independently represent H or C 1-6 alkyl; p is 0, 1 or 2; R a represents CH 2 CH 2 CO 2 R 4 , CH 2 CH(OH)CO 2 R 4 or 5-tetrazolyl; and R b is H or is selected from the group consisting of: halo, CN, NO 2 , OH, C 1-3 alkyl, OC 1-3 alkyl, haloC 1-3 alkyl and haloC 1-3 alkoxy.