申请人:NIPPON SHINYAKU COMPANY, LIMITED
公开号:EP0100250A2
公开(公告)日:1984-02-08
The invention relates to 3-methylflavone derivatives represented by the general formula and salts thereof:
as well as manufacture methods therefor and pharmaceutical agents containing them as main ingredient(s) wherein R1, R2 and R3 are same or different and are hydrogen, halogen, lower alkyl with one to ten main chain carbons, or lower alkoxy with one to four main chain carbons, R4 is hydroxyl, lower alkoxy with one to three main chain carbons, hydroxyalkyloxy with one to three main chain carbons or
where R5 is hydrogen or lower alkyl with one to seven main chain carbons, R6 is lower alkyl with one to seven main chain carbons or cyclo alkyl with five to seven mumbers, the case where R5 and R6 are combined forming a five to seven memberedring is included,
本发明涉及通式所代表的 3-甲基黄酮衍生物及其盐类:
以及其制造方法和含有它们作为主要成分的药剂 其中 R1、R2 和 R3 相同或不同,并且是氢、卤素、一至十个主链碳原子的低级烷基或一至四个主链碳原子的低级烷氧基,R4 是羟基、一至三个主链碳原子的低级烷氧基、一至三个主链碳原子的羟基烷氧基或
其中 R5 为氢或主链碳原子数为 1 至 7 的低级烷基,R6 为主链碳原子数为 1 至 7 的低级烷基或碳原子数为 5 至 7 的环烷基、