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    • 44. 发明授权
    • Benzofuran derivatives, process for the preparation of the same and uses thereof
    • 苯并呋喃衍生物,其制备方法及其用途
    • US06479536B1
    • 2002-11-12
    • US09857293
    • 2001-06-01
    • Shigenori OhkawaYasuyoshi ArikawaKouki KatoMasahiro OkuraMasaki Setoh
    • Shigenori OhkawaYasuyoshi ArikawaKouki KatoMasahiro OkuraMasaki Setoh
    • A61K3140
    • C07D307/79C07D405/04C07D407/06C07D407/12C07D409/06
    • Compounds represented by the formula: wherein R1 and R2 are hydrogen atom, a hydrocarbon group or a heterocyclic group, or R1 and R2 may form, together with the adjacent carbon atom, a 3- to 8-membered homocyclic or heterocyclic ring, W indicates (i) a group represented by the formula:  wherein ring B indicates a 5- to 7-membered ring, or (ii) a group represented by the formula:  wherein R4 indicates (1) an aliphatic hydrocarbon group, which may be substituted with an aromatic group, or (2) an acyl group containing an aromatic group, R5 is hydrogen atom, a C1-6 alkyl, or an acyl group, provided that, when W is Wa, R3 is hydrogen atom, a hydrocarbon group or a heterocyclic group, when W is Wb, R3 indicates a C6-14 aryl group, or salts thereof or prodrugs thereof have an excellent action to inhibit neurodegeneration and the like as well as an excellent brain penetrability and are low in the toxicity, thereby being useful as prophylactic or therapeutic drugs for nerve degenerative diseases and the like.
    • 由下式表示的化合物:其中R 1和R 2是氢原子,烃基或杂环基,或者R 1和R 2可以与相邻的碳原子一起形成3至8元的杂环或杂环,W表示 (i)由下式表示的基团:其中环B表示5-至7-元环,或(ii)由下式表示的基团:其中R4表示(1)脂族烃基,其可以被 芳香基,或(2)含芳基的酰基,R5为氢原子,C1-6烷基或酰基,条件是当W为Wa时,R3为氢原子,烃基或 杂环基,当W为Wb时,R 3表示C 6-14芳基,或其盐或其前药具有抑制神经变性等优异的作用以及优异的脑渗透性,毒性低,因此有用 作为神经退行性疾病的预防或治疗药物 类似。
    • 46. 发明授权
    • Quinone compound, its production and use as antioxidant
    • 喹诺酮复合物,其生产和用作抗氧化剂
    • US6011046A
    • 2000-01-04
    • US727599
    • 1996-10-23
    • Shigenori OhkawaYasuo Nagai
    • Shigenori OhkawaYasuo Nagai
    • C07D295/116C07D211/34A61K31/445
    • C07D295/116
    • A compound of the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 independently represent H, an optionally acylated hydroxyl group, an optionally substituted amino group, an optionally substituted alkoxy group or an optionally substituted hydrocarbon group, or R.sup.2 and R.sup.3 may form an optionally substituted hydrocarbon ring; R.sup.4 represents an alkyl group; R.sup.5 represents an optionally substituted hydroxyl group; R.sup.6 and R.sup.7 independently represent an optionally substituted hydrocarbon group or R.sup.6 and R.sup.7 form an optionally substituted ring; m represents 1 or 2; and n represents an integer of 1 to 5; or a hydroquinone derivative or a salt thereof has lipoperoxide formation inhibitory effect and is useful as a medicine for treating or preventing central nervous system disorders, diseases in the circulatory system, etc.
    • PCT No.PCT / JP96 / 02313 Sec。 371日期1996年10月26日第 102(e)日期1996年10月26日PCT PCT 1996年8月19日PCT公布。 公开号WO97 / 07109 日期1997年2月27日一种式(I)化合物:其中R 1,R 2和R 3独立地表示H,任意酰化的羟基,任选取代的氨基,任选取代的烷氧基或任选取代的烃基,或R 2 并且R 3可以形成任选取代的烃环; R4表示烷基; R5表示任选取代的羟基; R6和R7独立地表示任选取代的烃基或R6和R7形成任选取代的环; m表示1或2; n表示1〜5的整数, 或氢醌衍生物或其盐具有脂肪过氧化物形成抑制作用,可用作治疗或预防中枢神经系统疾病,循环系统疾病等的药物。