A substituted amide compound is useful as an active ingredient of a pharmaceutical composition, in particular a pharmaceutical composition for treating diseases caused by lysophosphatidic acid (LPA). The compound is of a formula:
In this formula, A is an optionally substituted aryl, etc.; B is an optionally substituted 5-membered aromatic hetero ring group; X is a single bond or —(CR
X1
R
X2
)
n
—; n is 1, 2, 3, or 4; R
X1
and R
X2
are hydrogen, etc.; Y
1
to Y
5
are each CR
Y
or N; each R
Y
is hydrogen, etc.; R
1
and R
2
are hydrogen, etc.; m is 1, 2, or 3; R
3
is hydrogen, etc.; and R
4
is an optically substituted lower alkyl, etc.
一种取代酰胺化合物可作为药物组成物的活性成分,特别适用于治疗由
溶血磷脂酸(LPA)引起的疾病的药物组成物。该化合物的
化学式为:在该式中,A是可选的取代芳基等;B是可选的取代5-成员芳香杂环基团;X是单键或-(CRX1RX2)n-;n为1、2、3或4;RX1和RX2是氢等;Y1至Y5分别是CRY或N;每个RY是氢等;R1和R2是氢等;m为1、2或3;R3是氢等;R4是可旋光取代的低碳基等。