Patent ID: 7071218

Claim:
A compound having the formula wherein, a) “- - -” is absent or present; b) Ar 1 has from six to 25 carbon atoms and has the formula wherein R 5 and R 6 together with the aromatic ring form a five, six, or seven membered non-aromatic cycloalkyl or substituted cycloalkyl ring which can optionally comprise one, or two ring heteroatoms independently selected from O, S, N, and NR N , wherein R N is hydrogen, hydroxyl, halogen, amino, or an organic radical comprising one to twelve carbon atoms; and wherein R 7 and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, amino, mono-substituted amino, or di-substituted amino; c) Ar 2 comprises from four to twenty carbon atoms and an aryl ring or heteroaryl ring, and d) R 1 is hydrogen or a substituted or unsubstituted organic radical comprising from one to four carbon atoms; e) R 2 is a substituted or unsubstituted organic radical comprising one to twelve carbon atoms; f) W is —S—, —O— or —N—R 3 wherein R 3 is hydrogen, or a substituted or unsubstituted radical comprising from one to 12 carbon atoms; and g) X is O or S; or a pharmaceutically acceptable salt thereof.