申请人:Cleemann Felix
公开号:US20110053848A1
公开(公告)日:2011-03-03
The present invention relates to a prodrug or a pharmaceutically acceptable salt thereof comprising a drug linker conjugate D-L, wherein -D is an amine containing biologically active moiety; and -L is a non-biologically active linker moiety -L
1
represented by formula (I), wherein the dashed line indicates the attachment to the amine of the biologically active moiety and wherein R
1
, R
1a
, R
2
, R
2a
, R
3
, R
3a
, X, X
1
, X
2
, X
3
have the meaning as indicated in the description and the claims and wherein L
1
is substituted with one to four groups L
2
-Z and optionally further substituted, provided that the hydrogen marked with the asterisk in formula (I) is not replaced by a substituent; wherein L
2
is a single chemical bond or a spacer; and Z is a carrier group. The invention also relates to A-L, wherein A is a leaving group, pharmaceutical composition comprising said prodrugs and their use as medicaments.
本发明涉及一种前药或其药学上可接受的盐,包括药物连接物D-L,其中-D是含有生物活性基团的胺基;而-L是非生物活性的连接基团-L1,由公式(I)表示,其中虚线表示连接到生物活性基团的胺基,其中R1、R1a、R2、R2a、R3、R3a、X、X1、X2、X3在说明书和权利要求中具有所示的含义,而L1用一到四个L2-Z基团取代并可选择进一步取代,前提是在公式(I)中标记为星号的氢未被取代;其中L2是单个化学键或间隔物;而Z是载体基团。本发明还涉及A-L,其中A是离去基团,以及包括所述前药的药物组合物及其作为药物的用途。