Novel 3-aryl-2,5-dihydroxy-1,4-benzoquinone derivatives, their preparation method and pharmaceutical compositions containing same
申请人:Dassonville Alexandra
公开号:US20050085644A1
公开(公告)日:2005-04-21
Compound of formula (I):
wherein:
R
1
and R
2
, which may be identical or different, each represents hydrogen, acyl or alkyl, Ar represents aryl or heteroaryl,
A represents a group selected from:
R
4
represents hydrogen or alkyl,
R
5
represents hydrogen, alkyl, aryl or heteroaryl,
R
3
represents aryl, heteroaryl, dicyclopropylmethyl or benzhydryl, or A-R
3
represents an optionally substituted naphthyl group, with the exclusion of 2,5-dihydroxy-3-(4-methoxyphenyl)-6-(2-phenylethenyl)-1,4-benzoquinone, 2,5-dihydroxy-3-(4-methoxyphenyl)-6-(2-naphthyl)-1,4-benzoquinone and 2,5-dihydroxy-3-(2-naphthyl)-6-phenyl-1,4-benzoquinone. Medicinal products containing the same which are useful in the treatment of diseases associated with a deregulation of glycaemia.
化合物的化学式(I)如下:其中:R1和R2,可能相同也可能不同,分别代表氢、酰基或烷基,Ar代表芳基或杂环芳基,A代表从以下选取的基团之一:R4代表氢或烷基,R5代表氢、烷基、芳基或杂环芳基,R3代表芳基、杂环芳基、二环丙基甲基或苄基,或A-R3代表一个可选择取代的萘基团,但不包括2,5-二羟基-3-(4-甲氧基苯基)-6-(2-苯乙烯基)-1,4-苯醌,2,5-二羟基-3-(4-甲氧基苯基)-6-(2-萘基)-1,4-苯醌和2,5-二羟基-3-(2-萘基)-6-苯基-1,4-苯醌。含有这种化合物的药品在治疗与血糖失调相关的疾病方面具有用途。