申请人:PHARMA MAR SA
公开号:WO2014191578A1
公开(公告)日:2014-12-04
Drug conjugates of formula [D-(X)b-(AA)w-(L)-]n-Ab wherein: D is a drug moiety having the following formula (I) or a pharmaceutically acceptable salt, ester, solvate, tautomer or stereoisomer thereof, wherein: A is selected from (II) and (III) R1, R2 and R3 is H, ORa, OCORa, OCOORa, alkyl, alkenyl, alkynyl, etc; R3' is, CORa, COORa, CONRaRb, etc; each of R4 to R10 and R12 is alkyl, alkenyl or alkynyl; R11 is H, CORa, COORa,alkyl, alkenyl or alkynyl, or R11 and R12+N+C atoms to which they are attached may form a heterocyclic group; each of R13 and R14 is H, CORa, COORa, alkyl, alkenyl or alkynyl; each Ra and Rb is H, alkyl, alkenyl, alkynyl, etc.; each dotted line represents an optional additional bond; X is an extending group; AA is an amino acid unit; L is a linker group; w is 0to 12; b is 0 or 1; A bis a moiety comprising at least one antigen binding site, and n is the ratio of the group [D-(X) b -(AA)w-(L)-] to the moiety comprising at least one antigen binding site and is in the range from 1 to 20, are useful in the treatment of cancer.
药物偶联物公式为 [D-(X)b-(AA)w-(L)-]n-Ab,其中:D 是具有以下公式 (I) 的药物部分或其药物可接受的盐、酯、溶剂化物、互变异构体或立体异构体,其中:A 选自 (II) 和 (III);R1、R2 和 R3 是 H、ORa、OCORa、OCOORa、烷基、烯基、炔基等;R3' 是 CORa、COORa、CONRaRb 等;R4 至 R10 和 R12 各自是烷基、烯基或炔基;R11 是 H、CORa、COORa、烷基、烯基或炔基,或者 R11 和 R12 与它们连接的 N+C 原子可以形成一个杂环组;R13 和 R14 各自是 H、CORa、COORa、烷基、烯基或炔基;Ra 和 Rb 各自是 H、烷基、烯基、炔基等;每个虚线代表一个可选的附加键;X 是一个延伸组;AA 是一个氨基酸单位;L 是一个连接组;w 是 0 到 12;b 是 0 或 1;Ab 是包含至少一个抗原结合位点的部分,n 是 [D-(X)b-(AA)w-(L)-] 组与至少含有一个抗原结合位点的部分的比例,并且范围从 1 到 20,在癌症治疗中是有用的。