发明名称 Carboxamides as inhibitors of voltage-gated sodium channels
摘要 The present invention provides compounds that are inhibitors of voltage-gated sodium channels (Nav), in particular Nav 1.7, and are therefore useful for the treatment of diseases treatable by inhibition of these channels, in particular, chronic pain disorders. Also provided are pharmaceutical compositions containing such compounds and processes for preparing such compounds.
申请公布号 US9334269(B2) 申请公布日期 2016.05.10
申请号 US201113575912 申请日期 2011.02.16
申请人 AMGEN INC. 发明人 Bregman Howard;Buchanan John L.;Chakka Nagasree;Dimauro Erin F.;Du Bingfan;Nguyen Hanh Nho;Zheng Xiao Mei
分类号 C07D471/10;C07D401/04;C07D403/04;C07D251/48;C07D213/74;C07D239/48 主分类号 C07D471/10
代理机构 代理人 Lemoine Elsa D.
主权项 1. A compound of Formula (I): where: X is —NH;S, T and U are independently —CR3— or —N—; selected from: A is phenyl; R1 is hydrogen, alkyl, haloalkyl, substituted alkyl, or cycloalkyl, wherein said cycloalkyl is optionally substituted with one to three substituents-independently selected from alkyl, halo, haloalkyl, alkoxy, hydroxyl, or haloalkoxy;R1a is hydrogen;R2 is hydrogen, alkyl, substituted alkyl, aryl, heteroaryl, cycloalkyl, halo, haloalkyl, haloalkoxy, alkoxy, alkoxyalkoxy, hydroxy, carboxy, alkoxycarbonyl, cyano, amino, monosubstituted or disubstituted amino, sulfonyl, or alkoxyalkyl;each R3 is hydrogen;R4 is hydrogen, alkyl, substituted alkyl, halo, alkoxy, hydroxy, carboxy, —CONH2, —CONMe2, cycloalkyl, or dialkylamino;R5 and R6 together with the nitrogen atom to which they are attached form ring B having the formula: wherein ring B is a heterocyclyl ring-selected from: a) azetidin-1-yl, pyrrolidin-1-yl, piperidin-1-yl or piperazin-1-yl;b) 1,2,3,4-tetrahydroisoquinolin-2-yl substituted with Rb at 6-position with haloalkoxy, cyano, cycloalkyl, halo, alkoxy, haloalkyl, or alkoxyalkoxy; orc) 3,6-dihydro-1(2H)-pyridinyl;wherein each aforementioned ring B is substituted with Ra, Rb or Rc;wherein Ra is hydrogen, alkyl, halo, haloalkyl, haloalkoxy, alkylthio, haloalkylthio, cyano, hydroxy, alkoxy, amino, monosubstituted amino, disubstituted amino, sulfonyl, thio, acyl, carboxy, alkoxycarbonyl, hydroxyalkyl, alkoxyalkyl, aminoalkyl, hydroxyalkoxy, hydroxyalkoxyalkyl, alkoxyalkoxy, aminoalkoxy, aminosulfonyl, aminocarbonyl, or acylamino andRb and Rc are independently selected from hydrogen, alkyl, substituted alkyl, substituted alkynyl, halo, haloalkyl, haloalkoxy, alkylthio, cyano, alkoxy, amino, monosubstituted amino, disubstituted amino, sulfonyl, acyl, carboxy, alkoxycarbonyl, hydroxyalkyl, alkoxyalkyl, aminoalkyl, hydroxyalkoxy, alkoxyalkoxy, aminoalkoxy, aminosulfonyl, aminocarbonyl, acylamino, sulfonylamino, aryl, heteroaryl, cycloalkyl, cycloalkenyl, heterocyclyl, aralkyl, heteroaralkyl, heterocyclylalkyl, aryloxy, heteroaryloxy, cycloalkoxy, aryloxyalkyl, aralkyloxy, aralkyloxyalkyl, aralkylthio, heteroaralkyloxy, heterocyclylalkyloxy, cycloalkylalkyloxy or cycloalkylalkyloxyalkyl;where the aromatic or alicyclic ring in Ra, Rb and Rc is optionally substituted with Rd, Re or Rf which are independently selected from alkyl, halo, haloalkyl, haloalkoxy, cyanoalkyl, alkylthio, cyano, hydroxy, alkoxy, amino, monosubstituted amino, disubstituted amino, sulfonyl, acyl, carboxy, alkoxycarbonyl, hydroxyalkyl, alkoxyalkyl, aminoalkyl, hydroxyalkoxy, alkoxyalkoxy, aminoalkoxy, aminosulfonyl, aminocarbonyl, acylamino, cycloalkyl, cycloalkenyl, phenyl, phenoxy, heteroaryl, heterocyclyl, heterocyclylalkyl, aralkyl, aralkyloxy or heteroaralkyl and where the aromatic or alicyclic ring in Rd, Re or Rf is optionally substituted with one to three substituents independently selected from alkyl, halo, haloalkyl, haloalkyloxy, hydroxyl, alkoxy, acetylamino, alkylsulfonyl, or cyano; or a pharmaceutically acceptable salt thereof; provided that the compound is not 3-((4-((3S)-3-benzyl-1-piperidinyl)-1,3,5-triazin-2-yl)amino)-N-methylbenzamide; 3-((4-((3R)-3-benzyl-1-piperidinyl)-1,3,5-triazin-2-yl)amino)-N-methylbenzamide; or N-methyl-3-((4-(4-(4-morpholinylcarbonyl)-1-piperidinyl)-1,3,5-triazin-2-yl)amino)benzamide.
地址 Thousand Oaks CA US