申请人:Nishitani Yasuhiro
公开号:US20090286717A1
公开(公告)日:2009-11-19
The present invention provides a novel glycopeptide antibiotic derivative.
These derivatives are represented by the formula (I)
or a pharmaceutically acceptable salt or solvate thereof,
wherein
R
A
is
—X
1
—Ar
1
—X
2
—Y—X
3
—Ar
2
wherein
X
1
, X
2
and X
3
are single bond; heteroatom-containing group selected from the group consisting of —N═, ═N—, —NR
1
— (R
1
is hydrogen or lower alkyl), —O—, —S—, —SO— and —SO
2
—, or a linkage thereof; or alkylene or alkenylene optionally substituted and optionally interrupted by one or more of said heteroatom-containing group;
Y is —NR
2
CO—, —CONR
2
— (R
2
is hydrogen or lower alkyl), or a group of the formula (II) wherein R
3
is alkylene;
Ar
1
and Ar
2
are a carbocycle or a heterocycle which is optionally substituted and may have an unsaturated bond;
R
B
is
—NHNR
X
R
Y
or —NR
Z
OR
W
wherein
R
X
is hydrogen or lower alkyl;
R
Y
is hydrogen, optionally substituted lower alkyl, C(═NH)NH
2
, CSNH
2
, COCONH
2
, CN, optionally substituted heterocyclic group, and optionally substituted carbamoyl;
R
Z
is hydrogen or lower alkyl;
R
W
is hydrogen, optionally substituted lower alkyl, optionally substituted lower alkenyl, optionally substituted heterocyclic group, optionally substituted heterocyclic carbonyl or optionally substituted carbamoyl;
R
C
is hydrogen or optionally substituted alkyl, wherein said alkyl may be interrupted by a heteroatom-containing group selected from N═, ═N—, —NR
1
— (R
1
is hydrogen or lower alkyl), —O—, —S—, —SO— and —SO
2
—; and
R is optionally substituted alkyl.
本发明提供了一种新型的糖肽抗生素衍生物。这些衍生物由以下式(I)或其药学上可接受的盐或溶剂表示,其中RA为—X1—Ar1—X2—Y—X3—Ar2,其中X1、X2和X3为单键;从—N═、═N—、—NR1—(R1为氢或较低的烷基)、—O—、—S—、—SO—和—SO2—中选择的含有杂原子的基团,或者它们的连接;或者由一个或多个上述含有杂原子的基团选择性取代和选择性中断的烷基或烯基;Y为—NR2CO—、—CONR2—(R2为氢或较低的烷基),或者具有以下式(II)的基团,其中R3为烷基;Ar1和Ar2为可能取代且可能具有不饱和键的碳环或杂环;RB为—NHNRXRY或—NRZORW,其中RX为氢或较低的烷基;RY为氢、选择性取代的较低烷基、C(═NH)NH2、CSNH2、COCONH2、CN、选择性取代的杂环基团和选择性取代的氨基甲酰;RZ为氢或较低的烷基;RW为氢、选择性取代的较低烷基、选择性取代的较低烯基、选择性取代的杂环基团、选择性取代的杂环酰基或选择性取代的氨基甲酰;RC为氢或选择性取代的烷基,其中所述的烷基可以被从—N═、═N—、—NR1—(R1为氢或较低的烷基)、—O—、—S—、—SO—和—SO2—中选择的含有杂原子的基团中断;且R为选择性取代的烷基。