申请人:KOTOBUJKI PHARMACEUTICAL CO., LTD.
公开号:US20010041674A1
公开(公告)日:2001-11-15
C-glycoside derivatives are disclosed, which are represented by the following formula (I) and its pharmaceutical acceptable salt, and which are useful for the treatment and/or prevention of diabetes and hypoglycemia.
1
wherein: with the provisos that
R
1
is H, OH, lower alkyl, O-lower alkyl or
2
;
R
2
is H, —COO-lower alkyl,
3
;
R
5
is —CH
2
OH, —CH
2
OCO
2
-lower alkyl,
4
5
—CH
2
OSO
3
H, —COOH or —COONa;
wherein: A is
6
(with the provisos that X is oxygen atom, nitrogen atom or sulfur atom R
3
is lower alkyl when is 1, R
3
is including —OH, —O-lower alkyl, . . . means saturated or unsaturated carbon bond;
m is O or 1;
n is 0, 1 or 2;
above mentioned-lower alkyl means C
1
-C
5
.)
or a pharmaceutical acceptable salt.
揭示了C-糖苷衍生物,其由以下式(I)表示及其药学上可接受的盐,可用于治疗和/或预防糖尿病和低血糖症。其中:在以下情况下:R1为H、OH、较低的烷基、O-较低的烷基或2;R2为H、-COO-较低的烷基、3;R5为-CH2OH、-CH2OCO2-较低的烷基、4、5-CH2OSO3H、-COOH或-COONa;其中:A为6(在X为氧原子、氮原子或硫原子的情况下,具有以下规定:当m为1时,R3为较低的烷基,当m为0时,R3包括-OH、-O-较低的烷基、. . .表示饱和或不饱和碳键;m为O或1;n为0、1或2;上述较低的烷基表示C1-C5。)或药学上可接受的盐。