Synthesis and anti-mitotic activity of 6,7-dihydro-4H-isothiazolo[4,5-b]pyridin-5-ones: In vivo and cell-based studies
作者:Victor V. Semenov、Boris V. Lichitsky、Andrey N. Komogortsev、Arkady A. Dudinov、Mikhail M. Krayushkin、Leonid D. Konyushkin、Olga P. Atamanenko、Irina B. Karmanova、Yuri A. Strelenko、Boris Shor、Marina N. Semenova、Alex S. Kiselyov
DOI:10.1016/j.ejmech.2016.09.075
日期:2017.1
antimitotic microtubule destabilizing activity using in vivo phenotypic sea urchin embryo model and in vitro human cancer cell-based assays. Selected dihydroisothiazolopyridinones altered sea urchin egg cleavage in 2–10 nM concentrations together with significant cytotoxicity against cancer cells including chemoresistant cell lines (IC50 in submicromolar – low nanomolar concentration range). Both approaches
通过3-芳基-5-异噻唑羧酸酯4a的多组分缩合反应,合成了一系列3,7-二芳基-6,7-二氢异噻唑[4,5-b]吡啶-5(4 H)-酮8和9。f在酸性介质中与芳族(或噻吩基)醛7和Meldrum酸一起使用。使用体内表型海胆胚胎模型和体外评估目标化合物的抗有丝分裂微管去稳定活性基于人类癌细胞的分析。选定的二氢异噻唑并吡啶并吡喃酮类化合物可改变2–10 nM浓度的海胆卵分裂,并对包括化学抗性细胞系(亚微摩尔浓度的IC 50-低纳摩尔浓度的IC 50)的癌细胞具有显着的细胞毒性。两种方法均证实了偶氮噻唑衍生物的抗有丝分裂微管去稳定作用机理。结构-活性关系研究确定了对甲氧基苯A环对于抗增殖作用的重要性。含有对甲氧基苯A环和噻吩B环的最有效化合物9b引起细胞微管的有丝分裂停滞和崩解。