Synthesis and Evaluation of Stable Bidentate Transition Metal Complexes of 1-(Chloromethyl)-5-hydroxy-3-(5,6,7-trimethoxyindol-2-ylcarbonyl)-2,3-dihydro-1<i>H</i>-pyrrolo[3,2-<i>f</i>]quinoline (<i>seco</i>-6-azaCBI-TMI) as Hypoxia Selective Cytotoxins
作者:Jared B. J. Milbank、Ralph J. Stevenson、David C. Ware、John Y. C. Chang、Moana Tercel、G-One Ahn、William R. Wilson、William A. Denny
DOI:10.1021/jm9008746
日期:2009.11.12
prepared as potential prodrugs of the extremely toxic DNA minor groove alkylator 1-(chloromethyl)-5-hydroxy-3-[(5,6,7-trimethoxyindol-2-yl)carbonyl]-2,3-dihydro-1H-pyrrolo[3,2-f]quinoline (seco-6-azaCBI-TMI) and close analogues. The pyrrolo[3,2-f]quinoline cytotoxins were prepared from 2-methoxy-4-nitroaniline in a nine-step synthesis involving a Skraup construction of a quinoline intermediate, its appropriate
制备了一系列金属配合物,作为毒性极高的DNA小沟烷基化剂1-(氯甲基)-5-羟基-3-[(5,6,7-三甲氧基吲哚-2-基)羰基] -2,3的潜在前药。 -二氢-1 H-吡咯并[3,2- f ]喹啉(seco -6-azaCBI-TMI)和类似物。吡咯并[3,2- f ]喹啉细胞毒素是由2-甲氧基-4-硝基苯胺在九步合成中制备的,该合成涉及喹啉中间体的Skraup结构,其适当的官能化和最终的自由基环化。由此制备金属配合物和不稳定的金属配合物合成子[Co(cycln)(OTf)2 ] +,[Cr(acac)2(H 2 O)2] +和[Co 2(Me 2 dtc)5 ] +。钴复合物比游离效应子稳定得多,并表现出明显的自由效应,其IC 50比(复合物/效应子)的细胞毒性降低了50到150倍,并且低氧细胞选择性也很明显,而IC 50比(氧/低氧细胞)的20到40倍。钴配合物还可以通过电离辐射与G一起有效活化。化合物的损失值接近于0