| abstract |
Compounds of structural formula: <IMAGE> wherein Ar is an aromatic ring, B is a cyclic moiety fused to Ar of 5-7 members, X and Y are bridging groups, Q is a nitrogen containing heterocycle, R2 and R3 are H, substituted or unsubtituted C1-3 alkyl, C1-3alkoxy, N(R)2, halogen, CF3 or R5 and R1 is H or an aryl group. |