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ID: ALA2010773
Journal: Bioorg Med Chem Lett
Title: Design and synthesis of a vialinin A analog with a potent inhibitory activity of TNF-α production and its transformation into a couple of bioprobes.
Authors: Ye YQ, Onose J, Abe N, Koshino H, Takahashi S.
Abstract: Vialinin A (1) is an extremely potent inhibitor against tumor necrosis factor (TNF)-α production in rat basophilic leukemia (RBL-2H3) cells. This Letter describes the design and synthesis of its advanced analog, 5',6'-dimethyl-1,1':4'1″-terphenyl-2',3',4,4″-tetraol (2) with a comparable inhibitory activity (IC(50)=0.02 nM) to that of 1. The synthesis involved double Suzuki-Miyaura coupling as a key step, and required only five steps from commercially available 3,4-dimethylphenol. For identification of the target molecule, fluorescent and biotinylated derivatives of 2 were prepared through a 'click' coupling process.
CiteXplore: 22410084