Patent ID: 7276521

Claim:
A compound having structure II provided that R2 and R3are not 2-thiophene when R4 is —OC(O)CH 3 ; wherein: the H atom indicated is in the exo position; R2 and R3 are independently selected from the group consisting of straight or branched chain lower alkyl groups (having from 1 to 6 carbon atoms), cycloalkyl groups (having from 5 to 6 carbon atoms), aryl, and heteroaryl; R4 is selected from the group consisting of (C 1 -C 6 )alkyl, (C 3 -C 12 )cycloalkyl, (C 1 -C 6 )alkyl(C 3 -C 12 )cycloalkyl, aryl, heteroaryl, (C 1 -C 6 )alkyl-aryl, (C 1 -C 6 )alkyl-heteroaryl, —OR5, —CH 2 OR5, —CH 2 OH, —CN, —CF 3 , —CH 2 O(CO)R6, —CO 2 R7, —CH 2 NH 2 , —CH 2 N(R7)SO 2 R5, —SO 2 N(R7)(R8), —CON(R7)(R8), —CH 2 N(R8)CO(R6), —CH 2 N(R8)SO 2 (R6), —CH 2 N(R8)CO 2 (R5), and —CH 2 N(R8)CONH(R7); R5 is selected from the group consisting of(C 1 -C 6 )alkyl, (C 1 -C 6 )alkyl(C 3 -C 12 )cycloalkyl, (C 1 -C 6 )alkyl-aryl, (C 1 -C 6 )alkyl heteroaryl; R6 is selected from the group consisting of (C 1 -C 6 )alkyl, (C 3 -C 12 )cycloalkyl, (C 1 -C 6 )alkyl(C 3 -C 12 )cycloalkyl, aryl, heteroaryl, (C 1 -C 6 )alkyl-aryl, (C 1 -C 6 )alkyl-heteroaryl; R7 and R8 are, independently, selected from the group consisting of hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 12 )cycloalkyl, (C 1 -C 6 )alkyl(C 3 -C 12 )cycloalkyl, (C 1 -C 6 )alkyl-aryl, and (C 1 -C 6 )alkyl heteroary.