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    • 3. 发明申请
    • 1,7-Naphthyridines as Pde4 Inhibitors
    • 1,7-萘乙酸作为Pde4抑制剂
    • US20080146563A1
    • 2008-06-19
    • US11908188
    • 2006-03-16
    • Colin David EldredJohn Edward Robinson
    • Colin David EldredJohn Edward Robinson
    • A61K31/5377C07D221/04A61K31/4375A61K31/496A61P37/08A61P29/00C07D295/00
    • C07D471/04
    • There are provided according to the invention novel compounds of formula (I) and pharmaceutically acceptable salts and solvates thereof: wherein R1 is selected from the group consisting of C1-4alkyl, C4-6cycloalkyl(CH2)m—, methoxyC2-4alkyl, HOCH2CH2—, R3(O)2S(CH2)2—, R5R4NCO(CH2)n—, and heterocyclyl(CH2)m— wherein any nitrogen heteroatom of the heterocyclyl radical may be unsubstituted or substituted by methyl; R2 is hydrogen or methyl; R3 is methyl or NH2; R4-5 independently represent methyl, m is 0, 1 or 2; and n is 1 or 2; or R1 and R2 together with the nitrogen atom to which they are attached may form a heterocyclyl ring, which may be unsubstituted or substituted by one or two substituents selected from the group consisting of; methyl, ═O and (CH3)2N—.
    • 根据本发明提供新的式(I)化合物及其药学上可接受的盐和溶剂合物:其中R 1选自C 1-4烷基, 烷基,C 4-6环烷基(CH 2 CH 2)m - ,甲氧基C 2-4烷基, (O)2 S 2(CH 2)2 - - - - (CH 2) R 2,R 5,R 5,R 5,N 2,N 2, 和杂环基(CH 2 CH 2)m - ,其中杂环基的任何氮杂原子可以是未取代的或被甲基取代; R 2是氢或甲基; R 3是甲基或NH 2; R 4-5独立地表示甲基,m是0,1或2; n为1或2; 或R 1和R 2与它们所连接的氮原子一起可以形成杂环基环,其可以是未取代的或被一个或两个选自以下的取代基取代: 组成; 甲基,-O和(CH 3)2 N - 。