The present invention relates to a novel fatty acid derivative of the following formula:
1
wherein R
1
is acyl group;
R
2
is acyl(lower)alkyl;
R
3
is hydrogen, aryl(lower)alkyl, etc;
R
4
is acyl(lower)alkyl; and
X is —O—, —NH— or
2
[wherein R
5
is lower alkyl, etc];
and a pharmaceutically acceptable salt thereof, which is useful as a medicament; the processes for the preparation of said fatty acid derivative or a salt thereof;
a pharmaceutical composition comprising said fatty acid derivative or a pharmaceutically acceptable salt thereof; etc.
本发明涉及以下式子的新型
脂肪酸衍
生物:1其中R1是酰基;R2是酰基(较低)烷基;R3是氢、芳基(较低)烷基等;R4是酰基(较低)烷基;X是—O—、—NH—或2[其中R5是较低烷基等];以及其药学上可接受的盐,其作为药物具有用途;制备该
脂肪酸衍
生物或其盐的方法;包含该
脂肪酸衍
生物或其药学上可接受的盐的制药组合物等。