期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 48, 期 11, 页码 3684-3687出版社
AMER CHEMICAL SOC
DOI: 10.1021/jm048995+
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Salinosporamide A (1, NPI-0052) is a potent proteasome inhibitor in development for treating cancer. In this study, a series of analogues was assayed for cytotoxicity, proteasome inhibition, and inhibition of NF-kappa B activation. Marked reductions in potency in cell-based assays accompanied replacement of the chloroethyl group with unhalogenated substituents. Halogen exchange and cyclohexene ring epoxidation were well tolerated, while some stereochemical modifications significantly attenuated activity. These findings provide insights into structure-activity relationships within this novel series.
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