发明公开
EP0972769A1 NOVEL AMIDE DERIVATIVES AND MEDICINAL COMPOSITIONS THEREOF 失效
NEUS AMID-DERIVATE UND MEDISINISCHE ZUSAMMENSETZUNGEN DIEE ENTHALTEN

NOVEL AMIDE DERIVATIVES AND MEDICINAL COMPOSITIONS THEREOF
摘要:
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, -NR 5 -, -NR 5 CO-, -NR 5 CONH-, -NR 5 SO 2 - or -NR 5 C(=NH)NH-;
R 1 : -H, -optionally substituted lower alkyl, -optionally substituted aryl, -optionally substituted heteroaryl or -optionally substituted cycloalkyl;
R 2a , R 2b : -H or -lower alkyl, which may be the same or different;
R 3 : -H or -lower alkyl;
R 4a , R 4b : -H or -OH, which may be the same different, or R 4a and R 4b are taken together to form =O or =N∼O-lower alkyl; and
R 5 : -H or -lower alkyl.)
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