期刊
CHEMISTRY & BIODIVERSITY
卷 5, 期 4, 页码 643-656出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbdv.200890060
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The conversion of 1-deoxy-D-xylulose-5-phosphate (DOXP) to 2-C-methyl-D-erythritol-4-phosphate (MEP) is effectively blocked by 1-deoxy-D-xylulose-5-phosphate reductoisomerase (Dxr) inhibitors such as the natural antibiotic fosmidomycin. Prediction of binding affinities for closely related Dxr ligands as well as estimation of the affinities of structurally more distinct inhibitors within this class of non-hydrolyzable phosphate mimics relies on the synthesis of fosmidomycin derivatives with a broad range of target affinity. Maintaining the phosphonic acid moiety, linear modifications of the lead structure were carried out in an effort to expand the SAR of this physicochemically challenging class of compounds. Synthetic access to a set of phosphonic acids with inhibitory activity (IC50) in the range from 1 to >30 mu M vs. E. coli Dxr and 0.4 to 20 mu M against P. falciparum Dxr is reported.
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