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    • 6. 发明公开
    • FUSED HETEROCYCLIC COMPOUND
    • 熔合杂环化合物
    • EP1957495A1
    • 2008-08-20
    • EP06834254.2
    • 2006-12-01
    • Takeda Pharmaceutical Company Limited
    • ISHIKAWA, TomoyasuMIWA, KazuhiroSETO, MasakiBANNO, HiroshiKAWAKITA, Youichi
    • C07D487/04A61K31/519
    • C07D487/04
    • The present invention provides a compound represented by the formula: wherein R1a is a hydrogen atom, R2a is a C1-6 alkyl group substituted by a group represented by-NR6a-CO-(CH2) n -SO2 -optionally halogenated C1-4 alkyl wherein n is an integer of 1 to 4, R6a is a hydrogen atom or a C 1-4 alkyl group, and -(CH2) n - is optionally substituted by C 1-4 alkyl, R3a is a hydrogen atom or a C 1-6 alkyl group, R4a is a halogen atom or a C 1-6 alkyl group, R5a is a halogen atom or a C 1-6 alkyl group, and Xa is a hydrogen atom or a halogen atom, or a salt thereof. The compound of the present invention has a superior tyrosine kinase inhibitory action, is highly safe, and is sufficiently satisfactory as a pharmaceutical product.
    • 本发明提供由下式表示的化合物:其中R 1a是氢原子,R 2a是被-NR 6 a -CO-(CH 2)n -SO 2 - 表示的基团取代的C 1-6烷基 - 任选卤代的C 1-4烷基 其中n是1至4的整数,R 6a是氢原子或C 1-4烷基,并且 - (CH 2)n - 任选被C 1-4烷基取代,R 3a是氢原子或C 1 -6烷基,R 4a是卤素原子或C 1-6烷基,R 5a是卤素原子或C 1-6烷基,X a是氢原子或卤素原子。 本发明的化合物具有优异的酪氨酸激酶抑制作用,安全性高,作为医药品充分令人满意。