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    • 7. 发明授权
    • Semicarbazide derivatives, processes for preparation thereof and
pharmaceutical composition comprising the same
    • 氨基脲衍生物,其制备方法和包含其的药物组合物
    • US4725608A
    • 1988-02-16
    • US673845
    • 1984-11-21
    • Osamu NakaguchiNorihiko ShimazakiYoshio KawaiMasashi HashimotoMichie Nakatuka
    • Osamu NakaguchiNorihiko ShimazakiYoshio KawaiMasashi HashimotoMichie Nakatuka
    • C07D203/26C07D211/70C07D213/89C07D237/04C07D295/28A61K31/435C07D211/98
    • C07D213/89C07D203/26C07D211/70C07D237/04C07D295/32
    • New semicarbazide derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen,R.sup.2 is hydrogen, lower alkyl, ar(lower)alkyl, lower alkenyl or aryl,R.sup.3 is lower alkyl, ar(lower)alkyl, lower alkenyl or aryl, orR.sup.2 and R.sup.3 are taken together to form (C.sub.2 -C.sub.6)alkylidene group optionally substituted with aryl or taken together with the adjacent nitrogen atom to form a saturated or unsaturated, 5- or 6-membered heterocyclic group optionally substituted with aryl; orR.sup.1 and R.sup.2 are taken together with the adjacent nitrogen atoms to form a saturated or unsaturated, 5- or 6-membered heterocyclic group or 1,2-diazaspiroalkane-1,2-diyl group,R.sup.3 is hydrogen, lower alkyl, ar(lower)alkyl, lower alkenyl or aryl;R.sup.4 is aryl which may have substituent(s) selected from lower alkyl, halogen, lower alkoxy, lower alkylamino, halo(lower)alkyl, hydroxy, lower alkanoyl, esterified carboxy and carboxy,R.sup.5 is hydrogen or lower alkyl, andX is O or S, provided that the lower alkyl group for R.sup.3 is (C.sub.3 -C.sub.6)alkyl, when R.sup.2 is hydrogen or (C.sub.1 -C.sub.2) alkyl and R.sup.4 is aryl optionally having substituent(s) selected from groups consisting of halogen, lower alkyl, lower alkoxy and halo(lower)alkyl, and pharmaceutically acceptable salts thereof, and processes for preparation thereof and pharmaceutical composition comprising the same.These derivatives and salts thereof are useful as antiinflammatory and analgesic agents.
    • 新的下式的氨基脲衍生物:其中R1是氢,R2是氢,低级烷基,芳基(低级)烷基,低级烯基或芳基,R3是低级烷基,芳基(低级)烷基,低级烯基或芳基,或 R2和R3一起形成任选被芳基取代的(C 2 -C 6)亚烷基或与相邻的氮原子一起形成任选被芳基取代的饱和或不饱和的5或6元杂环基; 或者R1和R2与相邻的氮原子一起形成饱和或不饱和的5或6元杂环基或1,2-二氮杂环烷-1,2-二基,R3是氢,低级烷基,ar( 低级)烷基,低级烯基或芳基; R4是可以具有选自低级烷基,卤素,低级烷氧基,低级烷基氨基,卤代(低级)烷基,羟基,低级烷酰基,酯化羧基和羧基的取代基的芳基,R 5是氢或低级烷基,X是O 或者当R 2为氢或(C 1 -C 2)烷基,且R 4为任选具有选自以下的取代基的芳基时,R 3的低级烷基为(C 3 -C 6)烷基:(C 3 -C 6)烷基,低级烷基, 低级烷氧基和卤代(低级)烷基及其药学上可接受的盐,及其制备方法和包含其的药物组合物。 这些衍生物和其盐可用作抗炎和止痛剂。
    • 9. 发明授权
    • Pyrido (2,3-B) pyrazine derivatives
    • 吡啶(2,3-B)吡嗪衍生物
    • US6117875A
    • 2000-09-12
    • US91361
    • 1998-06-19
    • Norihiko ShimazakiAkihiko SawadaShinya Watanabe
    • Norihiko ShimazakiAkihiko SawadaShinya Watanabe
    • A61K31/00A61K31/495A61K31/4985A61P43/00C07D471/04A01N43/60C07D241/36
    • C07D471/04Y02P20/55
    • A compound of the formula: ##STR1## wherein R.sup.1 is pyridyl(lower)alkyl, N-oxidopyridyl(lower)alkyl or imidazolyl(lower)alkyl,R.sup.2 is aminophenyl, [protected amino]phenyl, [[[halophenyl](lower)alkenoyl]amino]phenyl, [[pyridyl(lower)alkenoyl]amino]phenyl, [[[N-oxidopyridyl](lower)alkenoyl]amino]phenyl, [[[protected aminopyridyl](lower)alkenoyl]amino]phenyl, [thiazolylcarbonylamino]phenyl which may have pyridyl, naphthyl having lower alkoxy and halogen, [dihalophenyl](lower)alkenyl, [N-oxidopyridyl](lower)alkenyl, [aminopyridyl](lower)alkenyl, [protected aminopyridyl](lower)alkenyl, [carboxypyridyl](lower)alkenyl, [protected carboxypyridyl](lower)alkenyl, [[pyridyl(lower)alkenyl]pyridyl](lower)alkenyl, [[carboxy(lower)alkenyl]pyridyl](lower)alkenyl, [[protected carboxy(lower)alkenyl]pyridyl](lower)alkenyl, [pyridyl(lower)alkenyl]pyridyl, lower alkylbenzothiazolyl or [halopyridylcarbonyl]amino,with proviso that when R.sup.2 is [[4-pyridyl(lower)alkenoyl]amino]phenyl, aminophenyl, [lower alkanoylamino]phenyl or [dihalophenyl](lower)alkenyl, thenR.sup.1 is N-oxidopyridyl(lower)alkyl or imidazolyl(lower)alkyl,and a pharmaceutically acceptable salt thereof, which is useful as a medicament.
    • PCT No.PCT / JP96 / 03666 Sec。 371日期:1998年6月19日 102(e)1998年6月19日PCT PCT 1996年12月13日PCT公布。 公开号WO97 / 24355 日期:1997年7月10日具有下式的化合物:其中R1是吡啶基(低级)烷基,N-氧化吡啶基(低级)烷基或咪唑基(低级)烷基,R2是氨基苯基,[保护氨基]苯基,[[ 苯基,[[吡啶基(低级)烯酰基]氨基]苯基,[[[N-氧化吡啶基](低级)烯酰基]氨基]苯基,[[[保护的氨基吡啶基](低级)烯酰基] (低级)烯基,[N-氧化吡啶基](低级)烯基,[氨基吡啶基](低级)烯基,[保护的氨基吡啶基](低级),低级烷氧基, 烯基,[羧基吡啶基](低级)烯基,[保护的羧基吡啶基](低级)烯基,[[吡啶基(低级)烯基]吡啶基](低级)烯基,[[羧基(低级)烯基]吡啶基] [保护的羧基(低级)烯基]吡啶基](低级)烯基,[吡啶基(低级)烯基]吡啶基,低级烷基苯并噻唑基或[卤代吡啶基羰基]氨基,条件是当R 2是[[4-吡啶基(低级)烯酰基] 苯基,氨基苯基,[低级 烷酰基氨基]苯基或[二卤代苯基](低级)烯基,则R1是N-氧化吡啶基(低级)烷基或咪唑基(低级)烷基及其药学上可接受的盐,其可用作药物。