申请人:The Du Pont Merck Pharmaceutical Company
公开号:US05300642A1
公开(公告)日:1994-04-05
Cognitive defeciencies or neurological dysfunction in mammals are treated with .alpha.,.alpha.-disubstituted aromatic or heteroaromatic compounds. The compounds have the formula: ##STR1## or a salt thereof wherein X and Y are taken together to form a saturated or unsaturated carbocyclic or heterocyclic first ring and the shown carbon in said ring is .alpha. to at least one additional aromatic ring or heteroaromatic ring fused to the first ring; one of Het.sup.1 or Het.sup.2 is 2, 3, or 4-pyridyl or 2, 4, or 5-pyrimidinyl and the other is selected from (a) 2, 3, or 4-pyridyl, (b) 2, 4, or 5-pyrimidinyl, (c) 2-pyrazinyl, (d) 3, or 4-pyridazinyl, (e) 3, or 4-pyrazolyl, (f) 2, or 3-tetrahydrofuranyl, and (g) 3-thienyl.
哺乳动物中的认知缺陷或神经功能障碍可用.alpha.,.alpha.-二取代芳香族或杂芳香族化合物进行治疗。该化合物的化学式为:##STR1## 或其盐,其中X和Y共同形成饱和或不饱和的碳环或杂环的第一个环,所示的碳原子在该环中是.alpha.至少一个与第一个环融合的芳香环或杂芳香环;Het.sup.1或Het.sup.2中的一个是2,3或4-吡啶基或2,4或5-嘧啶基,另一个选择自(a)2,3或4-吡啶基,(b)2,4或5-嘧啶基,(c)2-吡嗪基,(d)3或4-吡嗪啉基,(e)3或4-嘧唑基,(f)2或3-四氢呋喃基和(g)3-噻吩基。