申请人:Mizushima Toru
公开号:US20120016158A1
公开(公告)日:2012-01-19
There is provided a novel loxoprofen derivative that has no side effect such as a gastrointestinal disorder and also has excellent anti-inflammatory and analgesic effects and is represented by the following formula (I) or (II):
(wherein R
1
and R
2
each represent a halogen atom or a substituted or unsubstituted phenyl group)
or a pharmacologically acceptable salt thereof. In the derivative, the halogen atom is selected from a chlorine atom, a bromine atom, a fluorine atom, and an iodine atom, and a substituent of the substituted phenyl group is a halogen atom, a hydroxyl group, a substituted or unsubstituted lower alkyl group, a lower alkylthio group, a lower alkoxy group, a nitro group, an amino group, or a carboxyl group.
提供了一种新型洛索洛芬衍生物,该衍生物没有胃肠道障碍等副作用,同时具有优秀的抗炎和镇痛作用,其化学结构如下所示(式中R1和R2分别代表卤素原子或取代或未取代的苯基),或其药学上可接受的盐。在该衍生物中,卤素原子可选自氯原子、溴原子、氟原子和碘原子,取代苯基的取代基为卤素原子、羟基、取代或未取代的较低烷基基团、较低烷基硫基团、较低烷氧基团、硝基基团、氨基或羧基。