申请人:Tanabe Seiyaku Co., Ltd.
公开号:US05739132A1
公开(公告)日:1998-04-14
Disclosed are a pyridazinone compound represented by the formula: ##STR1## wherein (1) R.sup.1 is a substituted or unsubstituted C.sub.1-10 alkyl, a C.sub.3-6 cycloalkyl, a lower alkenyl, a heterocyclic group having N, O or S atom or camphor-10-yl; R.sup.3 is hydrogen, a substituted or unsubstituted lower alkyl or a lower alkenyl; or R.sup.1 and R.sup.3 are bonded at terminal ends thereof to form a lower alkylene; and Z is a group represented by the formula: ##STR2## where n is 1 or 2; and D is hydrogen or a halogen; or (2) R.sup.1 is a substituted or unsubstituted C.sub.1-10 alkyl, a substituted or unsubstituted phenyl, a C.sub.3-6 cycloalkyl, a lower alkenyl, a heterocyclic group having N, O or S atom or camphor-10-yl; R.sup.3 is hydrogen, a substituted or unsubstituted lower alkyl or a lower alkenyl; or R.sup.1 and R.sup.3 are bonded at terminal ends thereof to form a lower alkylene; and Z is a group represented by the formula: ##STR3## and R.sup.2 is hydrogen, a substituted or unsubstituted lower alkyl, an aryl or a lower alkenyl; and --A--B-- is an ethylene or vinylene each of which may be substituted by 1 or 2 groups selected from the group consisting of a lower alkyl and phenyl group, or a pharmaceutically acceptable salt thereof, and processes for preparing the same.
揭示了一种由以下式表示的吡啶酮化合物:##STR1## 其中(1)R.sup.1是取代或未取代的C.sub.1-10烷基,C.sub.3-6环烷基,较低烯基,具有N、O或S原子的杂环基团或樟脑-10-基;R.sup.3是氢,取代或未取代的较低烷基或较低烯基;或R.sup.1和R.sup.3在其末端结合形成较低烷基;Z是由以下式表示的基团:##STR2## 其中n为1或2;D为氢或卤素;或(2)R.sup.1是取代或未取代的C.sub.1-10烷基,取代或未取代的苯基,C.sub.3-6环烷基,较低烯基,具有N、O或S原子的杂环基团或樟脑-10-基;R.sup.3是氢,取代或未取代的较低烷基或较低烯基;或R.sup.1和R.sup.3在其末端结合形成较低烷基;Z是由以下式表示的基团:##STR3## R.sup.2是氢,取代或未取代的较低烷基,芳基或较低烯基;--A--B--是乙烯或乙烯基,每个都可以被来自由以下组成的1或2个基取代,所述组包括较低烷基和苯基,或其药学上可接受的盐,以及其制备方法。