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    • 3. 发明授权
      US6143773A Substituted thienobenzisoxazole derivatives for enhancing cognition 失效
    • Substituted thienobenzisoxazole derivatives for enhancing cognition
    • US6143773A
    • 2000-11-07
    • US296848
    • 1999-04-22
    • Howard Barff Broughton , Mark Stuart Chambers
    • Howard Barff Broughton , Mark Stuart Chambers
    • C07D498/04 , C07D495/04 , A61K31/42
    • C07D498/04
    • The present invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein A is C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-6 cycloalkyl, arylC.sub.1-6 alkyl, aryl, S(O).sub.p R.sup.1, OR.sup.1 or NR.sup.1 R.sup.12 ;B is optionally substituted 5- or 6-membered heteroaromatic ring or C(O)NR.sup.10 R.sup.11 ;R.sup.1 is hydrogen, optionally substituted C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-6 cycloalkyl or C.sub.3-6 cycloalkenyl, optionally substituted aryl, arylC.sub.1-6 alkyl, arylC.sub.2-6 alkenyl or arylC.sub.2-6 alkynyl or an optionally substituted 5- or 6-membered heteroaromatic ring;R.sup.2 and R.sup.3 are hydrogen or C.sub.1-6 alkyl;R.sup.4 is hydrogen, C.sub.1-8 alkyl, C.sub.2-8 alkenyl, C.sub.2-8 alkynyl, aryl or CH.sub.2 (CO).sub.m NR.sup.8 R.sup.9 ;R.sup.5 is NR.sup.6 R.sup.7, C.sub.1-6 alkyl or C.sub.1-6 alkoxy;R.sup.6 is independently as defined for R.sup.4 ;R.sup.7 is aryl optionally substituted by halogen, nitro or cyano;R.sup.8 is hydrogen, C.sub.1-6 alkyl, C.sub.3-6 cycloalkyl, C.sub.3-6 cycloalkenyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl; arylC.sub.1-6 alkyl, arylC.sub.2-6 alkenyl or arylC.sub.2-6 alkynyl optionally substituted on the aryl ring by halogen, nitro or cyano; thiophene or pyridine;R.sup.9 is C.sub.1-6 alkyl; C.sub.2- alkenyl; C.sub.2-6 alkynyl; or phenyl optionally substituted by one, two or three substituents independently chosen from halogen, CF.sub.3, OCH.sub.3, nitro and cyano;R.sup.10 and R.sup.11 are individually hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl or C.sub.3-8 cycloalkyl or R.sup.10 and R.sup.11, together with the nitrogen atom to which they are attached, form a saturated 4 to 8 membered ring optionally containing an oxygen atom or a further nitrogen atom as a ring member, the further nitrogen atom being unsubstituted or substituted by C.sub.1-4 alkyl, C.sub.2-4 alkenyl or C.sub.2-4 alkynyl;R.sup.12 is hydrogen or C.sub.1-6 alkyl;m is zero or 1;p is zero, 1 or 2;q is 0, 1 or 2; andr is 0, 1 or 2;the preparation of these compounds, their use in enhancing cognition in disease states, particularly Alzheimer's disease, and methods of treatment using them.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 7. 发明授权
      US6156787A Substituted thienlycyclohexanone derivatives for enhancing cognition 失效
    • Substituted thienlycyclohexanone derivatives for enhancing cognition
    • US6156787A
    • 2000-12-05
    • US296753
    • 1999-04-22
    • Howard Barff Broughton , Mark Stuart Chambers
    • Howard Barff Broughton , Mark Stuart Chambers
    • C07D333/72 , C07D417/12 , A61K31/38 , A61K31/40 , C07D333/56 , C07D405/00
    • C07D417/12 , C07D333/72
    • The present invention provides compounds of formula (I) or pharmaceutically acceptable salts thereof: ##STR1## where A is C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-6 cycloalkyl, arylC.sub.1-6 alkyl, aryl, S(O),R.sup.1, OR.sup.1 or NR.sup.1 R.sup.6 ;R.sup.1 is hydrogen; C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-6 cycloalkyl or C.sub.3-6 cycloalkenyl each of which is optionally substituted by amino, C.sub.1-6 alkylamino, di(C.sub.1-6 alkyl)amino, C.sub.1-6 alkoxy, C.sub.1-6 alkylaminocarbonyl, one, two or three hydroxy groups, one, two or three halogen atoms or a four, five or six-membered saturated heterocyclic ring containing a nitrogen atom and optionally either an oxygen atom or a further nitrogen atom which ring is optionally substituted by C.sub.1-4 alkyl on the further nitrogen atom; aryl, arylC.sub.1-6 alkyl, arylC.sub.2-6 alkenyl or arylC.sub.2-6 alkynyl optionally substituted on the aryl ring by halogen, nitro, cyano, C.sub.1-6 alkylcarbonylamino, hydroxy or C.sub.1-6 alkoxy; or a five-membered aromatic ring containing 1, 2, 3 or 4 heteroatoms chosen from O, N and S provided that not more than one heteroatom is other than N, or a six-membered aromatic ring containing 1, 2, 3 or 4 nitrogen atoms, each of which rings is optionally substituted by halogen, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, aryl, C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl;R.sup.2 and R.sup.3 are independently hydrogen or C.sub.1-6 alkyl or together with the carbon atom to which they are attached form a C.sub.3-8 cycloalkyl group;R.sup.4 and R.sup.5 are individually hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl or C.sub.3-8 cycloalkyl or R.sup.12 and R.sup.13, together with the nitrogen atom to which they are attached, form a saturated 4 to 8 membered ring optionally containing an oxygen atom or a further nitrogen atom as a ring member, the further nitrogen atom being unsubstituted or substituted by C.sub.1-4 alkyl, C.sub.2-4 alkenyl or C.sub.2-4 alkynyl;R.sup.6 is hydrogen or C.sub.1-6 alkyl;p is zero, 1 or 2; andq is 0, 1 or 2;the preparation of these compounds, their use in enhancing cognition in disease states, particularly Alzheimer's disease, and methods of treatment using them.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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