| 摘要 |
Described herein are D4 receptor-selective compounds of general formula (I), wherein A and B are independently selected, optionally substituted, saturated or unsaturated 5- or 6-membered, homo- or heterocyclic rings; X1 is selected from O, S, SO, SO2, C=O, CH2, CH-OH, CH-N(C1-4alkyl)2, C=CHCl, C=CHCN, NH, NC1-4alkyl and N-acetyl; X2--- is selected from N=, CH2-, CH= and C(O)-; Y is selected from CH and N; Z is cyano; R1 represents C1-4alkyl; m is 0, 1, 2 or 3; n is 0, 1 or 2; q is 1 or 2; and D is a 5, 6, or 7-membered, saturated or unsaturated, homo- or heterocyclic ring; and acid addition salts, solvates and hydrates thereof. Their use as ligands for dopamine receptor identification and in a drug screening program, and as pharmaceuticals to treat indications in which the D4 receptor is implicated, such as schizophrenia, is also described.
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