| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: described is a compound selected from formulae , , , , and , where X1 denotes CH; X2-X5 each independently denotes CH or C-, where -C represents the point where group B is bonded and where one of X2-X5 denotes -C; X7-X10 each independently denotes CH or CR2; X18-X21 each independently denotes CH or CR5; X22 and X23 each independently denotes CH or CR12, where at least one of X22 and X23 denotes CR12; X24 denotes CH; B denotes CH2 or C=O; B1 denotes CH; Y denotes oxygen or sulphur; Z denotes O; m equals 2; R denotes hydrogen or R denotes each indendently (C1-C6)alkyl, (C3-C8)cycloalkyl, halogen, imidazolyl substituted with (C1-C6)alkyl and/or an oxo group or OR9; R9 denotes hydrogen, (C1-C6)alkyl which is unsubstituted or substituted with once or several times with fluorine, or (C4-C8)cycloalkylalkyl; R12 denotes a (C1-C6)alkoxy group which is substituted once or several times with fluorine, unsubstituted thiazolyl, thiazolyl which is substituted with (C1-C6)alkyl, unsubstituted oxazolyl, dihydropyranyl, tetrahydropyranyl or tetrahydropyranyloxy, and pharmaceutically acceptable salts of the said compounds. Described also are pharmaceutical compositions containing the said compounds. ^ EFFECT: invention relates to ligands of nicotinic acetylcholine receptors (nAChR), activation of nAChRs and treatment of diseases associated with defective or with functional disorders of nicotinic acetylcholine receptors, especially in the brain. ^ 69 cl, 55 ex |
