申请人:Kwon; Soon Kyoung
公开号:US05942511A1
公开(公告)日:1999-08-24
The, present invention relates to a novel allylthiopyridazine derivative represented by formula (I) which exhibits a superior effect for prevention and treatment or hepatic diseases induced by toxic substances and for protection of human tissues from radiation: ##STR1## or a pharmaceutically acceptable salt thereof, in which R.sub.1 represents halogen atom, lower alkoxy, dialkylaminoalkoxy, hydroxyalkoxy, phenoxy substituted or unsubstituted with lower alkyl, benzyloxy, or phenyl, and R.sub.2 and R.sub.3 independently of one another represent hydrogen or lower alkyl, or R.sub.2 and R.sub.3 together with carbon atom to which they are attached can form a saturated or unsaturated 6-membered ring, provided that R.sub.2 and R.sub.3 are other than hydrogen when R.sub.1 is chloro; and to a process for preparing thereof and a pharmaceutical composition containing the same as an effective component.
本发明涉及一种新型的烯丙基噻吡嗪衍生物,其化学式表示为(I),该化合物对预防和治疗由有毒物质诱导的肝脏疾病以及保护人体组织免受辐射的作用优越:##STR1##或其药用盐,其中R.sub.1代表卤原子,较低的烷氧基,二烷基氨氧基烷基,羟基烷氧基,苯氧基,取代或未取代较低烷基,苄氧基或苯基的苯氧基,而R.sub.2和R.sub.3彼此独立地表示氢或较低烷基,或R.sub.2和R.sub.3与它们连接的碳原子一起可以形成饱和或不饱和的6元环,前提是当R.sub.1为氯时,R.sub.2和R.sub.3不是氢;以及制备该化合物的方法和含有其作为有效成分的药物组合物。