5-Amino-1-(chloromethyl)-1,2-dihydro-3<i>H</i>-benz[<i>e</i>]indoles: Relationships between Structure and Cytotoxicity for Analogues Bearing Different DNA Minor Groove Binding Subunits
作者:Graham J. Atwell、Jared J. B. Milbank、William R. Wilson、Alison Hogg、William A. Denny
DOI:10.1021/jm990136b
日期:1999.8.1
relationships for the cytotoxicity of side chain analogues. Compounds were prepared by coupling 1-(chloromethyl)-5-nitro-1, 2-dihydro-3H-benz[e]indole to appropriate carboxylic acids, followed by nitro group reduction, or by coupling suitable 5-amino-protected indolines to alpha,beta-unsaturated acids, followed by deblocking. These AT-specific DNA alkylating agents were evaluated for cytotoxicity in a series
制备了一系列5-氨基-seco-CBI化合物,设计用作前药的效应子,以研究结构-活性关系对侧链类似物的细胞毒性。通过将1-(氯甲基)-5-硝基-1,2-二氢-3H-苯并[e]吲哚与合适的羧酸偶联,然后进行硝基还原,或通过将合适的5-氨基保护的二氢吲哚偶联至化合物来制备化合物。 α,β-不饱和酸,然后脱保护。在一系列肿瘤细胞系(AA8,UV4,EMT6,SKOV3)中评估了这些AT特异的DNA烷基化剂的细胞毒性。对于那些带有吲哚羰基侧链的类似物,5'-甲氧基衍生物具有最高的细胞毒性(AA8细胞中IC(50)1.3 nM,暴露4 h),与亲本CBI-TMI(5',6' ,7'-三甲氧基吲哚)衍生物(IC(50)0。在上述测定中为46 nM)。带有O(CH(2))(2)NMe(2)取代基的增溶衍生物的子集的效力降低了约10倍。对于在侧链中含有丙烯酰基接头的化合物,证明4'-甲氧基肉桂酰基衍生物具