申请人:Tsubokura Shiro
公开号:US20090275753A1
公开(公告)日:2009-11-05
A compound represented by formula (1) or a salt thereof, and an antioxidant drug containing the compound or the salt as an active ingredient, are provided. The compound or salt exhibits effective antioxidant activity in treating ischemic organ disorders and diseases caused by oxidative cell damage, and in inhibiting retinal lesions caused by oxidation due to the effects of light.
In formula (1):
a represents either 1 or 2,
R
0
represents an unsubstituted or substituted amino group,
R
1
to R
4
each represent, independently, a hydrogen atom or an alkyl group,
E represents an unsubstituted or substituted alkylene chain,
D represents a single bond, oxygen atom, unsubstituted or substituted nitrogen atom, sulfur atom, sulfinyl group, sulfonyl group, carbonyl group, carbonylamino group or aminocarbonyl group, and
A represents an unsubstituted or substituted aromatic hydrocarbon group, unsubstituted or substituted heterocyclic group, unsubstituted or substituted aralkyl group, or unsubstituted or substituted heteroaralkyl group.
提供了由式(1)表示的化合物或其盐以及含有该化合物或盐作为活性成分的抗氧化药物。该化合物或盐在治疗缺血性器官疾病和由氧化细胞损伤引起的疾病中表现出有效的抗氧化活性,并在抑制由光的影响引起的视网膜病变方面表现出有效性。
在式(1)中:a代表1或2,R0代表未取代或取代的氨基基团,R1至R4各自独立地代表氢原子或烷基团,E代表未取代或取代的烷基链,D代表单键、氧原子、未取代或取代的氮原子、硫原子、亚砜基、磺酰基、羰基、羰基氨基基团或氨基羰基基团,而A则代表未取代或取代的芳香族烃基团、未取代或取代的杂环基团、未取代或取代的芳基烷基团或未取代或取代的杂环芳基烷基团。