申请人:The DuPont Merck Pharmaceutical Co.
公开号:US05173489A1
公开(公告)日:1992-12-22
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 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α,α-二取代芳香或杂芳化合物进行治疗。这些化合物的化学式为:##STR1##或其盐,其中X和Y一起形成饱和或不饱和的碳环或杂环第一环,所示的碳在该环中为至少一个额外的芳香环或杂芳环的α位融合到第一环;Het.sup.1中的一个是2,3或4-吡啶基或2,4或5-嘧啶基,另一个选自(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-吡啶嗪基,(e)3或4-吡唑基,(f)2或3-四氢呋喃基,和(g)3-噻吩基。