申请人:YAMANOUCHI PHARMACEUTICAL CO., LTD.
公开号:EP0972769A1
公开(公告)日:2000-01-19
An amide derivative represented by the following general formula (I) or a salt thereof and a pharmaceutical composition containing the amide derivative and a pharmaceutically acceptable vehicle.
(The symbols in the formula have the following meanings. (wherein
A:heteroarylene;
X:bond, O, S, -NR5-, -NR5CO-, -NR5CONH-, -NR5SO2- or -NR5C(=NH)NH-;
R1:-H, -optionally substituted lower alkyl, -optionally substituted aryl, -optionally substituted heteroaryl or -optionally substituted cycloalkyl;
R2a, R2b:-H or -lower alkyl, which may be the same or different;
R3:-H or -lower alkyl;
R4a, R4b:-H or -OH, which may be the same different, or R4a and R4b are taken together to form =O or =N∼O-lower alkyl; and
R5:-H or -lower alkyl.)
由以下通式(I)代表的酰胺衍生物或其盐,以及含有该酰胺衍生物和药学上可接受的载体的药物组合物。
(式中符号含义如下。其中
A:杂芳基;
X:键、O、S、-NR5-、-NR5CO-、-NR5CONH-、-NR5SO2-或-NR5C(=NH)NH-;
R1:-H、-任选取代的低级烷基、-任选取代的芳基、-任选取代的杂芳基或-任选取代的环烷基;
R2a、R2b:-H 或-低级烷基,它们可以相同或不同;
R3:-H 或-低级烷基;
R4a、R4b:-H 或 -OH,它们可以相同或不同,或者 R4a 和 R4b 合在一起形成 =O 或 =N∼O 低级烷基;以及
R5:-H 或-低级烷基)。