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、