
摘 要:以临床化合物NX-5948为先导化合物,分析其结构,通过引入并环代替酰胺的骨架跃迁思路对其进行结构改造,成功合成了一系列新型BTK PROTACs(化合物I~IV),其结构经MS谱和1H-NMR 确认,通过细胞增殖检测试剂盒(MTS)法和蛋白质免疫印迹法(western blot,WB)分别测定目标化合物的细胞增殖抑制活性和BTK降解活性。结果显示,所有目标化合物对淋巴瘤Mino细胞内BTK的降解能力不弱于NX-5948,对淋巴瘤OCI-LY10细胞的增殖抑制活性明显强于NX-5948。
Abstract:Taking the clinical
compound NX-5948 as the lead compound,we analyzed its structure,and
successfully synthesized a series of new BTK PROTACs (compounds I to IV)
by introducing the skeleton transition idea of ring instead of amide.Their
structures were confirmed by MS spectra and 1H-NMR.The cell
proliferation inhibition activity and BTK degradation activity of the target
compounds were determined by the cell proliferation assay kit(MTS) and western
blot(WB),respectively.The results showed that the degradation ability of all
target compounds for BTK in Mino cells was not weaker than that of NX-5948,and
the proliferation inhibition activity of all target compounds against OCI-LY10
cells was significantly stronger than that of NX-5948.
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