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    • 52. 发明申请
    • ANTAGONISTS OF SNS SODIUM CHANNELS
    • SNS钠通道的拮抗剂
    • WO2007007057A1
    • 2007-01-18
    • PCT/GB2006/002523
    • 2006-07-07
    • VERNALIS (R & D) LIMITEDHAMLYN, RichardCALLIS, DavidEARNSHAW, Christopher, GeoffreyFINCH, HarryHUCKSTEP, MikeLYNCH, RosemaryMELLOR, Sarah
    • HAMLYN, RichardCALLIS, DavidEARNSHAW, Christopher, GeoffreyFINCH, HarryHUCKSTEP, MikeLYNCH, RosemaryMELLOR, Sarah
    • A61K31/397A61P23/00
    • A61K31/397
    • Compounds of the formula (I), and pharmaceutically acceptable salts thereof, are found to be antagonists of SNS sodium channels. They are therefore useful as analgesic and neuroprotective agents, formula (I): R 1 represents: (a) -L-A or -L' -A' wherein L represents a bond or a C 1- C 6 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl moiety, A represents a phenyl, 5- to 10-membered heteroaryl, C 3 -C 6 carbocyclyl or 5- to 10-membered heterocyclyl group, L' represents a C 1 -C 6 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl moiety, and A' represents -Het-A or -X-A wherein Het represents -O-, -S- or -NR'-, and X represents -CO-, -SO-, -SO 2 -, -CO-O-, -CO-S-, -CONR'-, -O-CO-, -S-CO- or -NR'-CO-, wherein R' represents hydrogen or C 1 -C 6 alkyl; (b) -L-CR(A)(A') or -L-CR(A)(L-A) wherein R is hydrogen or C 1 1-C 4 alkyl, A' is as defined above, each L is the same or different and is as defined above and each A' is the same or different and is as defined above; (c) -L-A-A' or -L-A-L-A wherein A' and L are as defined above and each A is the same or different and is as defined above; or (d) -A-Z-A wherein Z is -Het-L'-, -X-L'-, -L'-Het- or -L'-X-, wherein Het, L' and X are as defined above and each A is the same or different and is as defined above; J represents -NR 5 -, -O- or a direct bond; R 5 represents hydrogen, C 1 -C 6 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl; R 4 is represents hydrogen, C 1 -C 6 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl; and either R 2 represents -L-A, -L-A’, -L-A-A’, -L-A-L-A, -L-CR(A)(L-A), -L- CR(A)(A’) or -L-CR(A)(L") wherein L" is -Het-L', -X-L', -CONH 2 or -CO 2 H, and wherein A', Het, X and R are as defined above, each L is the same or different and is as defined above, each A is the same or different and is as defined above and R 3 represents hydrogen, C 1 -C 6 alkyl C 2 -C 6 alkynyl or (CO)-L', wherein L is as defined above or R 2 and R 3 form, together with the nitrogen to which they are attached, a 5-to 10-membered heteroaryl or 5-to 10-membered heterocyclyl ring.
    • 发现式(I)化合物及其药学上可接受的盐是SNS钠通道的拮抗剂。 因此,它们可用作止痛和神经保护剂,式(I):R 1表示:(a)-LA或-L'-A',其中L表示键或C 1 C 6 -C 6烷基,C 2 -C 6亚烯基或C 2 -C 6亚烷基或C 2 -C 6亚烷基 C 6炔基部分,A表示苯基,5至10元杂芳基,C 3 -C 6碳环基或5至10元杂环基 基团,L'表示C 1 -C 6烷基,C 2 -C 6亚烷基或C 1 -C 6烷基, A'表示-Het-A或-XA,其中Het表示-O - , - S-或-NR'-,X表示 -CO - , - SO - , - SO 2 - , - CO-O-,-CO-S-,-CONR'-,-O-CO-,-S-CO-或 - NR'-CO-,其中R'表示氢或C 1 -C 6烷基; (b)-L-CR(A)(A')或-L-CR(A)(LA)其中R是氢或C 1〜 烷基,A'如上所定义,每个L相同或不同,如上所定义,每个A'相同或不同,如上所定义; (c)-L-A-A'或-L-A-L-A其中A'和L如上所定义,并且每个A相同或不同,如上所定义; 或(d)-AZA,其中Z是-Het-L'-,-X-L' - ,-L'-Het-或-L'-X-,其中Het,L'和X如上所定义, A相同或不同,如上所述; J表示-NR 5 - ,-O-或直接键; R 5表示氢,C 1 -C 6烷基,C 2 -C 6烷基,C 1 -C 6烷基, 链烯基或C 2 -C 6 -C 6炔基; R 4表示氢,C 1 -C 6烷基,C 2 -C 6烷基,C 1 -C 6烷基,C 1 -C 6烷基, / SUB链烯基或C 2 -C 6炔基; 并且R 2表示-LA,-L-A',-LA-A',-LALA,-L-CR(A)(LA),-L-CR(A)(A ')或-L-CR(A)(L“)其中L”是-Het-L',-X-L',-CONH 2或-CO 2 H,其中A',Het,X和R如上所定义,每个L相同或不同,如上所定义,每个A相同或不同,如上所定义,R 3, / SO 2表示氢,C 1 -C 6烷基C 2 -C 6炔基或(CO) -L',其中L如上定义或R 2和R 3形式与它们所连接的氮一起形成5至10元杂芳基 或5至10元杂环基环。