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 R1 and R2 taken together form a group (D) or (G): wherein R5 is hydrogen or C1-C4 alkyl; R3 and R4 are independently hydrogen, C1-C4 alkyl or C1-C4 hydroxyalkyi; n is 0, 1 or 2; each of X is independently -O-, -S- or -NR4-; each of Y is independently -CH = or -N=; R7 and R8 are independently hydrogen, halogen, hydroxy, C1-C4 alkoxy, cyano, -NHCOOR3, -C(NH)NH2 or -NR3R4; 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; R6 is a leaving group; A1 is null or A; L1 is hydrogen or L.
本发明涉及具有细胞毒性活性的新型功能化
噻吩吲衍
生物(式(I)或(II)),并可用于治疗癌症和细胞增殖紊乱等疾病。本发明还涉及使用这些功能化
噻吩吲衍
生物制备共轭物。其中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独立地为氢、C1-C4烷基或C1-C4羟基烷基;n为0、1或2;每个X独立地为-O-、-S-或-NR4-;每个Y独立地为-CH=或-N=;R7和R8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为空或有条件可割离的基团;W为空或包含一个或多个自解离基团的自解离基团;Z为空或为肽、非肽或混合肽和非肽连接基团;RM为空或为反应性基团;R6为离去基团;A1为空或为A;L1为氢或L。