Patent ID: 7989480

Claim:
A compound of formula wherein Ar 1 is chosen from aryl; heteroaryl; aryl substituted with from one to three substituents chosen independently from fluorine, chlorine, bromine, haloalkyl, hydroxy, loweralkoxy, carboxy, alkoxycarbonyl, aminocarbonyl, cyano, carbonyl, nitro, amino, alkylamino, dialkylamino, mercapto, alkylthio, alkyl sulfoxide, alkyl sulfone and acylamino; and heteroaryl substituted with from one to three substituents chosen independently from halogen, haloalkyl, hydroxy, loweralkoxy, carboxy, alkoxycarbonyl, aminocarbonyl, cyano, carbonyl, nitro, amino, alkylamino, dialkylamino, mercapto, alkylthio, alkyl sulfoxide, alkyl sulfone and acylamino; Ar 2 and Ar 3 are independently chosen from unsubstituted phenyl and phenyl substituted with from one to three substituents chosen independently from fluorine, chlorine, bromine, haloalkyl, hydroxy, loweralkoxy, carboxy, alkoxycarbonyl, aminocarbonyl, cyano, carbonyl, nitro, amino, alkylamino, dialkylamino, mercapto, alkylthio, alkyl sulfoxide, alkyl sulfone and acylamino; Z is W or C(═O)W; W is chosen from OR 2 , NR 2 R 3 , NHOH, N(OH)R 6 , N(OH)—C(O)—R 6 , and —CH(OH)C(O)OH, wherein R 6 is alkyl; X is chosen from —O—, —S(O) 0-2 —, —CR 4 R 5 —, and —C(═O)—; V is (CH 2 ) p —Z or H; p is 0-3; R 1 , R 2 , R 3 , R 4 and R 5 are independently chosen from H and alkyl; and n is 0-2; and t is 0 or 1.