This invention relates to antibiotic compounds AA896 of the formula
1
wherein:
R
1
is H, aryl, alkyl (C
1
-C
20
), —CH
2
-aryl, —C(O)alkyl(C
1
-C
20
), —C(O)NHalkyl(C
1
-C
20
), or —C(O)NHaryl;
R
2
is H, alkyl (C
1
-C
20
), —CH
2
aryl, alkyl (C
1
-C
20
) or —C(O)alkyl(C
1
-C
20
);
R
3
is —OH;
R
2
and R
3
may optionally be taken together to form a moiety
2
R
4
is alkyl (C
1
-C
20
), or aryl;
or a pharmaceutically acceptable salt thereof.
本发明涉及公式1中的抗生素化合物
AA896,其中:R1为H,芳基,烷基(C1-C20),—
CH2-芳基,—C(O)烷基(C1-C20),—C(O)NH烷基(C1-C20)或—C(O)NH芳基;R2为H,烷基(C1-C20),— 芳基,烷基(C1-C20)或—C(O)烷基(C1-C20);R3为—OH;R2和R3可以选择性地结合形成一个基团2;R4为烷基(C1-C20)或芳基;或其药学上可接受的盐。