[EN] NOVEL POTASSIUM CHANNEL BLOCKER<br/>[FR] NOUVEAU BLOQUANT DU CANAL POTASSIQUE
申请人:XENTION LTD
公开号:WO2010023445A1
公开(公告)日:2010-03-04
The present invention provides a compound of formula (I):or its salts or pharmaceutically acceptable derivatives wherein; R1 is selected from the group consisting of optionally substituted arylalkyl, optionally substituted aryl, optionally substituted heteroarylalkyl and optionally substituted heteroaryl; R2 is selected from the group consisting of optionally substituted acyl, optionally substituted sulfonyl and optionally substituted sulfamoyl; R3 is selected from the group consisting of hydrogen, halogen, hydroxyl, alkoxy, aryloxy, optionally substituted alkyl, optionally substituted amino, optionally substituted amino carbonyl, optionally substituted amino sulfonyl or nitrile; X1 is selected from a group consisting of a chemical bond, CR7R8, C(=O), C(=NH), NR9, NHC(O), and SO2 wherein; R7 and R8 are independently selected from hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted aryl and optionally substituted heteroaryl or; R7 and R8 together form an optionally substituted C4-6 cycloalkyl ring; R9 is selected from the group consisting of hydrogen, optionally substituted alkyl, optionally substituted aryl and optionally substituted heteroaryl; A represents an optionally substituted saturated or partially saturated 4-7 membered ring with the general formula (A): or is selected from formula (B): For each occurrence; X2 is CH or N; X3 is CH2, CH(R5a), C(R5a)(R5b), NH, N(R5c), O or S; X4 is independently selected from C(=O), CH2, CH(R4a) or C(R4a)(R4b); R4a and R4b for each occurrence is independently halogen, optionally substituted amino, hydroxyl, optionally substituted alkoxy, optionally substituted aryloxy, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted arylalkyl, optionally substituted aryl or optionally substituted heteroaryl; R5a and R5b for each occurrence is independently, halogen, optionally substituted amino, hydroxyl, optionally substituted alkoxy, optionally substituted aryloxy, optionally substituted alkyl, optionally substituted alkanoyl, optionally substituted cycloalkyl, optionally substituted arylalkyl, optionally substituted aryl or optionally substituted heteroaryl; R5c is optionally substituted acyl, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted arylalkyl, optionally substituted aryl or optionally substituted heteroaryl; n = 1 or 2. The compounds are useful as potassium ion channel inhibitors.
本发明提供了一种化合物,其化学式为(I):或其盐或药学上可接受的衍生物,其中;R1选自可选择地取代的芳基烷基,可选择地取代的芳基,可选择地取代的杂芳基烷基和可选择地取代的杂芳基;R2选自可选择地取代的酰基,可选择地取代的磺酰基和可选择地取代的磺胺基;R3选自氢、卤素、羟基、烷氧基、芳氧基、可选择地取代的烷基、可选择地取代的氨基、可选择地取代的氨基羰基、可选择地取代的氨基磺酰基或腈的群;X1选自化学键、CR7R8、C(=O)、C(=NH)、NR9、NHC(O)和SO2的群,其中;R7和R8各自选自氢、可选择地取代的烷基、可选择地取代的环烷基、可选择地取代的芳基和可选择地取代的杂芳基或;R7和R8一起形成一个可选择地取代的C4-6环烷基环;R9选自氢、可选择地取代的烷基、可选择地取代的芳基和可选择地取代的杂芳基;A代表一个可选择地取代的饱和或部分饱和的4-7成员环,其一般式为(A):或选自式(B):对于每次出现;X2为CH或N;X3为CH2、CH(R5a)、C(R5a)(R5b)、NH、N(R5c)、O或S;X4独立地选自C(=O)、CH2、CH(R4a)或C(R4a)(R4b);R4a和R4b每次出现时独立地为卤素、可选择地取代的氨基、羟基、可选择地取代的烷氧基、可选择地取代的芳氧基、可选择地取代的烷基、可选择地取代的环烷基、可选择地取代的芳基烷基、可选择地取代的芳基或可选择地取代的杂芳基;R5a和R5b每次出现时独立地为卤素、可选择地取代的氨基、羟基、可选择地取代的烷氧基、可选择地取代的芳氧基、可选择地取代的烷基、可选择地取代的烷酰基、可选择地取代的环烷基、可选择地取代的芳基烷基、可选择地取代的芳基或可选择地取代的杂芳基;R5c为可选择地取代的酰基、可选择地取代的烷基、可选择地取代的环烷基、可选择地取代的芳基烷基、可选择地取代的芳基或可选择地取代的杂芳基;n = 1或2。这些化合物可用作钾离子通道抑制剂。