The invention relates to a compound of formula (l)
1
wherein R
1
is a sugar; R
2
is —CH
2
—O—(R
7
)m, R
7
representing a sugar, or is —COOH; R
3
is an epoxide-comprising group, or is C
1
-C
6
-alkyl or C
2
-C
6
-alkenyl, unsubstituted or substituted by at least one OH; R
5
is H, C
1
-C
6
-alkyl, C
2
-C
6
-alkenyl or C
2
-C
6
-alkynyl; R
4
R
6
, R
8
and R
10
independently of one another are H; C
1
-C
6
-alkyl, C
2
-C
6
-alkenyl, C
2
-C
6
-alkynyl, -X
2
H, or -X
2
R
12
, or R
4
and R
6
together and/or R
8
and R
10
together are=X
2
; X
2
is O, NH, N-C
1
-C
6
-alkyl, N-C
2
-C
6
-alkenyl, N-C
2
-C
6
-alkynyl or S; R
12
is C
1
-C
6
-alkyl, C
2
-C
6
-alkenyl, C
2
-C
6
-alkynyl, aryl or acyl; and m and n are 1 or 2; in any of its stereochemical forms and mixtures of these forms in any ratio, and a physiologically acceptable salt or derivative thereof. The compounds are obtainable from a culture of the microorganism Actinomycetales species HAG 003959, DSM 12931, by fermentation. Accordingly, the invention relates to a process for their preparation and to the use of the compounds as pharmaceuticals, for example as antitumor agents.
本发明涉及一种式(l)化合物
1
其中 R
1
是糖;R
2
是-CH
2
-O-(R
7
)m,R
7
代表一种糖,或者是-COOH; R
3
是由
环氧化物组成的基团,或者是 C
1
-C
6
-烷基或 C
2
-C
6
-烯基,未被取代或被至少一个 OH 取代; R
5
是 H、C
1
-C
6
-烷基、C
2
-C
6
-烯基或 C
2
-C
6
-炔基;R
4
R
6
, R
8
和 R
10
各自独立地为 H
1
-C
6
-烷基、C
2
-C
6
-烯基、C
2
-C
6
-炔基、-X
2
H,或-X
2
R
12
或 R
4
和 R
6
和/或 R
8
和 R
10
一起是等价物;X
2
; X
2
是 O、NH、N-C
1
-C
6
-烷基、N-C
2
-C
6
-烯基、N-C
2
-C
6
-炔基或 S; R
12
是 C
1
-C
6
-烷基、C
2
-C
6
-烯基、C
2
-C
6
-炔基、芳基或酰基;且 m 和 n 为 1 或 2;其任何立体
化学形式和这些形式以任何比例的混合物,以及其生理上可接受的盐或衍
生物。这些化合物可通过发酵从放线菌属 HAG 003959,DSM 12931 微
生物的培养物中获得。因此,本发明涉及制备这些化合物的工艺以及将这些化合物用作药物,例如用作抗肿瘤剂。