Patent ID: 6878742

Claim:
A compound of Formula (I), or pharmaceutically acceptable salt thereof, wherein Formula (I) has the structure: wherein: R 1 , R 2 , R 3 , and R 5 are independently hydrogen or CH 3 ; R 4 is selected from the group consisting of alkyl, substituted alkyl, alkylcycloalkyl, substituted alkylcycloalkyl, alkylOH, substituted alkylOH, alkylOBn, substituted alkylOBn, alkylpyridyl, substituted alkylpyridyl, piperdinyl, substituted piperidinyl, tetrahydrothiopyran, substituted tetrahydrothiopyran, 2-indane, substituted 2-indane, phenyl, substituted phenyl, benzyl, substituted benzyl and alkylNHR 7 ; R 7 is alkyl; or R 3 and R 4 may be joined to form a monocyclic ring structure; R 6 is selected from the group consisting of hydrogen and halogen; T is W, Y and Z are independently selected from the group consisting of C and CR 10 ; R 10 is selected from the group consisting of hydrogen and halogen, with the proviso that at least one of W, Y and Z must be C; X is selected from the group consisting of O, S, and SO 2 ; provided that when the compound contains one or more chiral centers, at least the α-amino alcohol chiral center must be of S-stereochemistry.