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    • 1. 发明授权
    • Pyridazinone derivatives
    • 哒嗪酮衍生物
    • US5750523A
    • 1998-05-12
    • US676227
    • 1996-07-23
    • Keizo TanikawaTakashi MatsumotoHiroo MatsumotoNobutomo TsuruzoeHitoshi Nakabeppu
    • Keizo TanikawaTakashi MatsumotoHiroo MatsumotoNobutomo TsuruzoeHitoshi Nakabeppu
    • C07D237/22C07D401/12A61K31/50
    • C07D401/12C07D237/22
    • Pyridazinone derivatives represented by the formula (I) and antiplatelet agents containing them: ##STR1## �wherein R is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, X is a hydrogen atom, a chlorine atom or a bromine atom, Ar is a pyridyl group or a phenyl group substituted with OR.sup.1 (wherein R.sup.1 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group) and A {wherein A is a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.4 alkyl group or OR.sup.2 (wherein R.sup.2 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group)}, is C.sub.1 -C.sub.8 alkylene wherein one carbon atom on the straight chain is substituted with one OR.sup.1 group (wherein R.sup.1 is the same as defined above), and Z.sup.1 and Z.sup.2 are independently a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.4 alkyl group or a OR.sup.1 group (wherein R.sup.1 is the same as defined above)!. These compounds have strong antiplatelet effects, are excellently safe, and can be used as active ingredients of prophylactic and therapeutic drugs for various thrombotic diseases.
    • PCT No.PCT / JP95 / 00069 Sec。 371日期:1996年7月23日 102(e)日期1996年7月23日PCT提交1995年1月24日PCT公布。 WO95 / 19969 PCT公开 日期:1997年7月27日由式(I)表示的哒嗪酮衍生物和含有它们的抗血小板剂:其中R是氢原子或C1-C4烷基,X是氢原子,氯原子 或溴原子,Ar是吡啶基或被OR 1取代的苯基(其中R1是氢原子或C1-C4烷基)和A {其中A是氢原子,卤原子,C1-C4 烷基或OR 2(其中R 2是氢原子或C 1 -C 4烷基)}是其中一个碳原子被一个OR 1基团取代的C 1 -C 8亚烷基(其中R 1与上述定义相同) ,Z 1和Z 2独立地为氢原子,卤素原子,C 1 -C 4烷基或OR 1基(其中R 1与上述定义相同)]。 这些化合物具有很强的抗血小板作用,非常安全,可用作各种血栓性疾病的预防和治疗药物的活性成分。
    • 2. 发明授权
    • Pyridazinone derivatives
    • 哒嗪酮衍生物
    • US5856327A
    • 1999-01-05
    • US936600
    • 1997-09-24
    • Keizo TanikawaTakashi MatsumotoHiroo MatsumotoNobutomo TsuruzoeHitoshi Nakabeppu
    • Keizo TanikawaTakashi MatsumotoHiroo MatsumotoNobutomo TsuruzoeHitoshi Nakabeppu
    • C07D237/22C07D401/12A61K31/50
    • C07D401/12C07D237/22
    • Pyridazinone derivatives represented by the formula (I) and antiplatelet agents containing them: ##STR1## �wherein R is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, X is a hydrogen atom, a chlorine atom or a bromine atom, Ar is a pyridyl group or a phenyl group substituted with OR.sup.1 (wherein R.sup.1 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group) and A {wherein A is a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.4 alkyl group or OR.sup.2 (wherein R.sup.2 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group)}, Y is C.sub.1 -C.sub.8 alkylene wherein one carbon atom on the straight chain is substituted with one OR.sup.1 group (wherein R.sup.1 is the same as defined above), and Z.sup.1 and Z.sup.2 are independently a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.4 alkyl group or a OR.sup.1 group (wherein R.sup.1 is the same as defined above)!. These compounds have strong antiplatelet effects, are excellently safe, and can be used as active ingredients of prophylactic and therapeutic drugs for various thrombotic diseases.
    • 由式(I)表示的哒嗪酮衍生物和含有它们的抗血小板剂:其中R是氢原子或C1-C4烷基,X是氢原子,氯原子或溴原子, Ar是吡啶基或被OR 1取代的苯基(其中R1是氢原子或C1-C4烷基)和A {其中A是氢原子,卤素原子,C1-C4烷基或OR2( 其中R 2是氢原子或C 1 -C 4烷基),Y是直链上的一个碳原子被一个OR 1基团取代的C 1 -C 8亚烷基(其中R 1与上述相同),Z 1和 Z2独立地为氢原子,卤素原子,C1-C4烷基或OR1基团(其中R1与上述定义相同)]。 这些化合物具有很强的抗血小板作用,非常安全,可用作各种血栓性疾病的预防和治疗药物的活性成分。