| abstract |
Compounds of formula (See Formula) wherein Ar1 is an aromatic residue, such as optionally substituted phenyl, naphthyl, or pyridyl, or an optionally substituted heterocyclic ring; AB is CH-CH2 or C = CH, X is O, NH, CH20 or CH2-NH, and Ar2 is an aromatic radical, such as phenyl or naphthyl, to which X and piperazine are attached at different carbons, and which is optionally substituted with a linear or branched C1-6 alkyl, alkoxy (IO4) or halogen radical. |