申请人:——
公开号:US20010008893A1
公开(公告)日:2001-07-19
A hydroquinone derivative useful as an intraocular pressure lowering, anti-hypertensive and radical scavenging agent represented by the following formula
1
wherein B
1
and B
2
in formula (I) are the same or different and at any position on the benzene ring (when W is nitrogen, however, at any other position on the benzene ring) and each denotes a substituent selected from the group consisting of hydrogen, halogen, hydroxyl, lower alkoxyl and carboxyl, and the substituent CH
3
is at position
2
or
3,
and W are the same or different and each denotes a nitrogen or carbon atom. R
1
, R
2
, R
3
and R
4
in formula (II) are the same or different and each denotes a substituent selected from the group consisting of hydrogen, lower alkyl and lower alkoxyl, and B
1
and B
2
are as hereinbefore defined, or a pharmacologically acceptable salt thereof.
一种具有降低眼内压、抗高血压和自由基清除作用的有用氢醌衍生物,由以下式1表示,其中式(I)中的B1和B2相同或不同,并且在苯环上的任何位置(当W为氮时,在苯环上的任何其他位置),每个表示从氢、卤素、羟基、低级烷氧基和羧基组成的组中选择的取代基,并且取代基CH3位于位置2或3,并且W相同或不同,每个表示氮或碳原子。式(II)中的R1、R2、R3和R4相同或不同,每个表示从氢、低级烷基和低级烷氧基组成的组中选择的取代基,并且B1和B2如前所述,或其药理学上可接受的盐。