Unsymmetrical pyrrolobenzodiazepine-dimers for treatment of proliferative diseases
申请人:Howard Philip Wilson
公开号:US08592576B2
公开(公告)日:2013-11-26
Claimed are unsymmetrical Pyrrolobenzodiazepine-dimers (PBD-dimers) of formula (I), that are unsymmetrical due at least to the values that the variables R12 and R2 represent. Formula (I), wherein: R2 is of formula (II), where A is a C5-7 aryl group, X is selected from the group comprising: OH, SH, CO2H, COH, N═C═O, NHRN, wherein RN is selected from the group comprising H and C1-4 alkyl, and (OC2H4)mOCH3, where m is 1 to 3, and either: (i) Q1 is a single bond, and Q2 is selected from a single bond and —Z—(CH2)n—, where Z is selected from a single bond, O, S and NH and n is from 1 to 3; or (ii) Q1 is —CH═CH—, and Q2 is a single bond; R12 is a C5-10 aryl group, optionally substituted by one or more substituents selected from the group comprising: halo, nitro, cyano, ether, C1-7 alkyl, C3-7 heterocyclyl and bis-oxy-C1-3 alkylene. The other variables are as defined in the claims. The compounds are useful for the treatment of proliferative diseases.
本发明涉及一种公式(I)的不对称
吡咯并苯并二氮杂环二聚体(
PBD-二聚体),由于变量R12和R2所代表的值至少是不对称的,因此该二聚体也是不对称的。其中,公式(I)中:R2为公式(II),其中A为C5-7芳基基团,X选自包括:OH、SH、CO2H、COH、N═C═O、NHRN(其中RN选自H和C1-4烷基),以及(OC2H4)mOCH3(其中m为1至3),且为以下两种情况之一:(i)Q1为单键,Q2选自单键和—Z—(
CH2)n—(其中Z选自单键、O、S和NH,n为1至3);或(ii)Q1为—CH═CH—,Q2为单键;R12为C5-10芳基基团,可选地被来自以下基团的一个或多个取代基所取代:卤、硝基、
氰基、醚、C1-7烷基、C3-7杂环烷基和双氧-C1-3烷基。其他变量如权利要求所定义。该化合物对于治疗增殖性疾病具有用处。