申请人:MITSUBISHI KASEI CORPORATION
公开号:EP0145019A2
公开(公告)日:1985-06-19
There are provided novel pyridazinone derivatives having the general formula (I):
wherein A represents 5- or 6-membered heterocyclic ring having 1 - 3 nitrogen atoms, which may be substituted by at least one member selected from the group consisting of C1-5 alkyl, cyano, hydroxyl, C1-5 alkoxyl, amino, C1-5 alkylamino, C2-6 dialkylamino, C2 5, acylamino, carboxyl, C2-5 alkoxycarbonyl and carbamoyl, R1 and R2 independently represent hydrogen atom or C1-5 alkyl or R1 and R2 may form together C1-5 alkylene, and the dotted line represents either a single bond or a double bond, and salts thereof.
提供了具有通式(I)的新型哒嗪酮衍生物:其中,A 代表具有 1 - 3 个氮原子的 5 或 6 元杂环,可被至少一个选自 C1-5 烷基、氰基、羟基、C1-5 烷氧基、氨基、C1-5 烷基氨基、C2-6 二烷基氨基、C2 5、酰氨基、羧基、C2-5 烷氧基羰基和氨基甲酰基的成员取代,R1 和 R2 独立地代表氢原子或 C1-5 烷基或 R1 和 R2 可共同形成 C1-5 亚烷基,虚线代表单键或双键,以及它们的盐。