Disclosed are a pyridazinone compound represented by the formula:
wherein (1) R¹ is a substituted or unsubstituted C₁₋₁₀ alkyl, a C₃₋₆ cycloalkyl, a lower alkenyl, a heterocyclic group having N, O or S atom or camphor-10-yl; R³ is hydrogen, a substituted or unsubstituted lower alkyl or a lower alkenyl; or R¹ and R³ are bonded at terminal ends thereof to form a lower alkylene; and Z is a group represented by the formula:
where n is 1 or 2; and D is hydrogen or a halogen; or (2) R¹ is a substituted or unsubstituted C₁₋₁₀ alkyl, a substituted or unsubstituted phenyl, a C₃₋₆ cycloalkyl, a lower alkenyl, a heterocyclic group having N, O or S atom or camphor-10-yl; R³ is hydrogen, a substituted or unsubstituted lower alkyl or a lower alkenyl ; or R¹ and R³ are bonded at terminal ends thereof to form a lower alkylene; and Z is a group represented by the formula:
and R² 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.
本发明公开了一种由式表示的
哒嗪酮化合物:
其中(1)R¹是取代或未取代的C₁₋₁₀烷基、C₃₋₆环烷基、低级烯基、具有N、O或S原子的杂环基团或
樟脑-10-基;R³ 是氢、取代或未取代的低级烷基或低级烯基;或 R¹ 和 R³ 在其末端键合形成低级亚烷基;以及 Z 是由式表示的基团:
其中 n 为 1 或 2;且 D 为氢或卤素;或 (2) R¹ 为取代或未取代的 C₁₋₁₀ 烷基、取代或未取代的苯基、C₃₋₆ 环烷基、低级烯基、具有 N、O 或 S 原子的杂环基团或
樟脑-10-基;R³ 是氢、取代或未取代的低级烷基或低级烯基;或 R¹ 和 R³ 在其末端键合形成低级亚烷基;以及 Z 是由式表示的基团:
R²为氢、取代或未取代的低级烷基、芳基或低级烯基;-A-B-为
乙烯基或亚
乙烯基,其中每个
乙烯基或亚
乙烯基可被 1 或 2 个选自低级烷基和苯基的基团取代、
或其药学上可接受的盐,以及制备方法。