1
The present invention relates to a novel fatty acid derivative of formula (I), 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 formula (II) [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.
本发明涉及一种新的
脂肪酸衍
生物,其
化学式为(I),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-或式(II)[其中R5是较低的烷基等];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;包括该
脂肪酸衍
生物或其药学上可接受的盐的制药组合物等。