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    • 4. 发明授权
    • 2-amino-3-sulphonyl-tetrahydro-pyrazolo[1,5-A]pyrido-pyrimidine antagonists of serotonin 5-HT6 receptors, methods for the production and use thereof
    • 5-羟色胺5-HT6受体的2-氨基-3-磺酰基 - 四氢 - 吡唑并[1,5-A]吡啶并 - 嘧啶拮抗剂,其制备方法和用途
    • US08552017B2
    • 2013-10-08
    • US12937718
    • 2009-04-30
    • Andrey Alexandrovich IvashchenkoVolodymyr Mikhailovich KysilNikolay Filippovich SavchukAlexander Vasilievich Ivashchenko
    • Andrey Alexandrovich IvashchenkoVolodymyr Mikhailovich KysilNikolay Filippovich SavchukAlexander Vasilievich Ivashchenko
    • A01N43/54A61K31/505C07D239/00C07D471/00
    • C07D471/14A61K31/519
    • The invention relates to serotonin 5-HT6 receptor antagonists—novel 2-amino-3-arylsulfonyl-6,7,8,9-tetrahydropyrazolo[1,5-a]pyrido[4,3-e]pyrimidines and substituted 2-amino-3-arylsulfonyl-5,6,7,8-tetrahydropyrazolo[1,5-a]pyrido[4,3-d]pyrimidines, drug substances and pharmaceutical compositions comprising the said drug substances as the said compounds, and also to method of prophylaxis and treatment of various diseases of central nervious system in humans and animals pathogenesis of which is associated with serotonin 5-HT6 receptors including cognitive and neurodegenerative diseases.Substituted 2-amino-3-arylsulfonyl-6,7,8,9-tetrahydropyrazolo[1,5-a]pyrido[4,3-e]pyrimidines of the general formula 1 and substituted 2-amino-3-arylsulfonyl-5,6,7,8-tetrahydropyrazolo[1,5-a]pyrido[4,3-d]pyrimidines of the general formula 2 and pharmaceutically acceptable salts and/or hydrates thereof. wherein: Ar is optionally substituted aryl or optionally substituted heteroaryl; R1 is hydrogen, optionally substituted C1-C3 alkyl, C1-C4 alkyloxycarbonyl; R2 is hydrogen, halogen or optionally substituted C1-C3 alkyl; R13 and R23 represent optionally alike: hydrogen, optionally substituted C1-C3 alkyl or R13 and R23 together with the nitrogen atom to which they are attached form an optionally substituted azaheterocycle.
    • 本发明涉及5-羟色胺5-HT 6受体拮抗剂 - 新型2-氨基-3-芳基磺酰基-6,7,8,9-四氢吡唑并[1,5-a]吡啶并[4,3-e]嘧啶和取代的2-氨基 -3-芳基磺酰基-5,6,7,8-四氢吡唑并[1,5-a]吡啶并[4,3-d]嘧啶,药物物质和药物组合物,其包含作为所述化合物的所述药物物质, 预防和治疗人类和动物的中枢神经系统的各种疾病,其发病机制与血清素5-HT6受体(包括认知和神经变性疾病)相关。 通式1的取代的2-氨基-3-芳基磺酰基-6,7,8,9-四氢吡唑并[1,5-a]吡啶并[4,3-e]嘧啶和取代的2-氨基-3-芳基磺酰基-5 ,6,7,8-四氢吡唑并[1,5-a]吡啶并[4,3-d]嘧啶,及其药学上可接受的盐和/或水合物。 其中:Ar是任选取代的芳基或任选取代的杂芳基; R 1是氢,任选取代的C 1 -C 3烷基,C 1 -C 4烷氧基羰基; R2是氢,卤素或任选取代的C 1 -C 3烷基; R 13和R 23任选地相似:氢,任选取代的C 1 -C 3烷基或R 13和R 23与它们所连接的氮原子一起形成任选取代的杂环。