申请人:Tsumura & Co.
公开号:US05455267A1
公开(公告)日:1995-10-03
The present invention relates to a chromone derivative and an aldose reductase inhibitor comprising said compound as efective component, which is represented by the following formula: ##STR1## wherein R.sub.1 and R.sub.2 each represent a lower alkyl group, etc., R.sub.3 represents an oxygen atom, a sulfur atom, etc., R.sub.7 represents a phenyl group substituted or not substituted, etc., and R represents a hydrogen atom or a lower alkoxy group. The present compounds exhibit superior inhititory action on aldose reductase and are useful for the treatment of various complications of diseases in diabetes, such as cataract, retinopathy, keratopathy, nephropathy, and neuropathy.
本发明涉及一种染色酮衍生物和一种包含该化合物作为有效成分的醛还原酶抑制剂,其表示为以下式子:##STR1## 其中R.sub.1和R.sub.2分别表示较低的烷基等,R.sub.3表示氧原子,硫原子等,R.sub.7表示取代或未取代的苯基等,R表示氢原子或较低的烷氧基。本化合物表现出优异的醛还原酶抑制作用,可用于治疗糖尿病引起的各种并发症,如白内障、视网膜病变、角膜病变、肾病和神经病变。