Patent ID: 8377971

Claim:
A compound represented by structure A, or a pharmaceutically acceptable salt thereof: wherein R represents independently for each occurrence H, alkyl, alkenyl, alkynyl, aryl, heteroaryl, aralkyl, heteroaralkyl, fluoride, chloride, bromide, iodide, nitro, cyano, sulfonic acid, alkylsulfoxyl, arylsulfoxyl, heteroarylsulfoxyl, aralkylsulfoxyl, heteroaralkylsulfoxyl, alkenylsulfoxyl, alkynylsulfoxyl, alkylsulfonyl, arylsulfonyl, heteroarylsulfonyl, aralkylsulfonyl, heteroaralkylsulfonyl, alkenylsulfonyl, alkynylsulfonyl, hydroxyl, alkoxyl, aryloxyl, heteroaryloxyl, aralkyloxy, heteroaralkyloxy, alkenyloxy, alkynyloxy, thiol, alkylthio, arylthio, aralkylthio, heteroaralkylthio, alkenylthio, alkynylthio, formyl, acyl, formyloxy, acyloxy, formylthio, acylthio, amino, alkylamino, arylamino, heteroarylamino, aralkylamino, heteroaralkylamino, alkenylamino, alkynylamino, formylamino, acylamino, carboxylate, alkyloxycarbonyl, aryloxycarbonyl, heteroaryloxycarbonyl, aralkyloxycarbonyl, heteroaralkyloxycarbonyl, carboxamido, alkylaminocarbonyl, arylaminocarbonyl, heteroarylaminocarbonyl, aralkylaminocarbonyl, or heteroaralkylaminocarbonyl; R′ represents independently for each occurrence alkenyl, alkynyl, aryl, heteroaryl, aralkyl, heteroaralkyl, alkylsulfonyl, arylsulfonyl, heteroarylsulfonyl, aralkylsulfonyl, heteroaralkylsulfonyl, alkenylsulfonyl, alkynylsulfonyl, hydroxyl, alkoxyl, aryloxyl, heteroaryloxyl, aralkyloxy, heteroaralkyloxy, alkenyloxy, alkynyloxy, formyl, acyl, amino, alkylamino, arylamino, heteroarylamino, aralkylamino, heteroaralkylamino, alkenylamino, alkynylamino, formylamino, acylamino, alkyloxycarbonyl, aryloxycarbonyl, heteroaryloxycarbonyl, aralkyloxycarbonyl, heteroaralkyloxycarbonyl, alkylaminocarbonyl, arylaminocarbonyl, heteroarylaminocarbonyl, aralkylaminocarbonyl, or heteroaralkylaminocarbonyl; or the two instances of R′ taken together represent —(CH 2 ) 2 —, —(CH 2 ) 3 —, or —(CH 2 ) 6 —; R″ represents independently for each occurrence H, alkyl, alkenyl, alkynyl, aryl, heteroaryl, aralkyl, or heteroaralkyl; and n is 1, 2, 3, or 4.