| abstract |
(57) [Summary] Formula (I) (In the above formula, Ar 1 is an optionally substituted aromatic residue such as phenyl, naphthyl or pyridyl, or an optionally substituted heterocycle, and AB is CH—CH 2 or a C = CH, X is O, NH, a CH 2 O, or CH 2 -NH, Ar 2 is an aromatic group such as phenyl or naphthyl X and piperazine are bonded on different carbon , and the itself, optionally a linear or branched C 1 to 6 alkyl groups, compounds of the alkoxy which is substituted by (oR 4) or halogen). |