申请人:NERVIANO MEDICAL SCIENCES S.R.L
公开号:US20150080316A1
公开(公告)日:2015-03-19
The invention relates to new functionalized thieno-indole derivatives of formula (I) or (II) which have cytotoxic activity and are useful in treating diseases such as cancer and cellular proliferation disorders. The invention also relates to the use of these functionalized thieno-indole derivatives in the preparation of conjugates. Formula (I) or (II) wherein R
1
and R
2
taken together form a group (D) or (G): wherein R
5
is hydrogen or C
1
-C
4
alkyl; R
3
and R
4
are independently hydrogen, C
1
-C
4
alkyl or C
1
-C
4
hydroxyalkyl; n is 0, 1 or 2; each of X is independently —O—, —S— or —NR
4
—; each of Y is independently —CH═ or —N═; R
7
and R
8
are independently hydrogen, halogen, hydroxy, C
1
-C
4
alkoxy, cyano, —NHCOOR
3
, —C(NH)NH
2
or —NR
3
R
4
; A is —O—, —NH— or —CO—; L is null or a conditionally-cleavable moiety; W is null or a self-immolative moiety comprising one or more self-immolative groups; Z is null or a peptidic, non peptidic or hybrid peptidic and non peptidic linker; RM is null or a reactive moiety; R
6
is a leaving group; A
1
is null or A; L
1
is hydrogen or L.
本发明涉及公式(I)或(II)的新型功能化噻吩吲衍生物,具有细胞毒性活性,并可用于治疗癌症和细胞增殖障碍等疾病。本发明还涉及使用这些功能化噻吩吲衍生物制备共轭物。公式(I)或(II)中,R1和R2共同形成一个基团(D)或(G):其中R5为氢或C1-C4烷基;R3和R4分别为氢、C1-C4烷基或C1-C4羟基烷基;n为0、1或2;X各自独立地为—O—、—S—或—NR4—;Y各自独立地为—CH═或—N═;R7和R8各自独立地为氢、卤素、羟基、C1-C4烷氧基、氰基、—NHCOOR3、—C(NH)NH2或—NR3R4;A为—O—、—NH—或—CO—;L为空或一个有条件可剪切的基团;W为空或一个自我解离基团,包括一个或多个自我解离基团;Z为空或一个肽、非肽或杂交肽非肽连接基;RM为空或一个反应性基团;R6为一个离去基团;A1为空或A;L1为氢或L。