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ID: ALA5150033
Journal: Bioorg Med Chem Lett
Title: Synthesis, evaluation and mechanism exploration of 2-(N-(3-nitrophenyl)-N-phenylsulfonyl)aminoacetohydroxamic acids as novel urease inhibitors.
Authors: Song WQ, Liu ML, Yuan LC, Li SY, Wang YN, Xiao ZP, Zhu HL.
Abstract: Thirteen 2-(N-(3-nitrophenyl)-N-phenylsulfonyl)aminoacetohydroxamic acids which were reported for the first time were designed and synthesized as novel urease inhibitors. Most of them showed higher potency than the positive control acetohydroxamic acid, with 2-(N-(3-nitrophenyl)-N-(4-bromophenylsulfonyl)aminoacetohydroxamic acid (d7) being the most active (IC50 = 0.13 ± 0.01 μM). Compound d7 reversibly inhibits urease with mixed mechanism showing excellent binding affinity to urease active site (KD = 0.34 nM, Ki=0.065 ± 0.003 µM andKi' = 1.20 ± 0.09 µM) and very low cytotoxicity against mammalian cells (cell viability of 91.4 % against HepG2 at 250 μg/mL). These positive results indicated that d7 may be used as the lead for further research to develop urease inhibitors with promising properties.
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