申请人:Otsuka Pharmaceutical Co., Ltd.
公开号:US05786367A1
公开(公告)日:1998-07-28
The present invention provides novel cyclic amide derivatives having activity for protecting against the ultraviolet rays, activity for scavenging active oxygen species and activity for inhibiting the formation of lipid peroxides, which is represented by the following general formula (1): ##STR1## wherein R.sup.2 is a hydroxyl group, a lower alkenyloxy group, a phenyl-lower alkenyloxy group, a cycloalkenyloxy group, a tetrahydropyranyloxy group, a pyridyloxy group, or a lower alkanoyloxy group which may have carboxyl group(s).
本发明提供了一种新型的环酰胺衍生物,具有保护皮肤免受紫外线伤害的活性,清除活性氧物质的活性以及抑制脂质过氧化物形成的活性。该衍生物由以下一般式(1)表示:
##STR1##
其中R.sup.2是一个羟基、一个较低的烯氧基、一个苯基较低的烯氧基、一个环烯氧基、一个四氢吡喃氧基、一个吡啶氧基或一个可能含有羧基的较低的烷酰氧基。