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Showing 1–3 of 3 results
Advanced filters: Author: Dafa Chen Clear advanced filters

  • An aromatic metallo-annulene, comprising a 15-carbon macrocycle enclosing an osmium complex, with the metal residing within the plane of the macrocycle is reported.

    • Binbin Xu
    • Dafa Chen
    • Haiping Xia
    Research
    Nature
    Volume: 641, P: 106-111

  • 7C-10C and 12C-carbolong complexes with planar ligand skeletons containing 7-10 and 12 carbon atoms have been previously reported but 11C-carbolong complexes with a planar carbon-chain ligand are elusive. Here, the authors prepare metallabenzyne-fused metallapentalenes and metallabenzene-fused metallapentalynes, both representing 11C-carbolong complexes with a planar carbon-chain ligand

    • Binbin Xu
    • Wei Mao
    • Haiping Xia
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • [Fe]-hydrogenase has an iron-guanylylpyridinol cofactor and catalyses the reversible hydrogenation of a methenyl-tetrahydromethanopterin. Now, [Fe]-hydrogenase has been reconstituted using synthetic cofactor mimics. The enzyme containing a mimic with a 2-hydroxy-pyridine group was active, whereas one containing a 2-methoxy-pyridine group was inactive. This result, together with DFT computations, supports a catalytic mechanism involving the deprotonated pyridinol hydroxy group as a proton acceptor.

    • Seigo Shima
    • Dafa Chen
    • Xile Hu
    Research
    Nature Chemistry
    Volume: 7, P: 995-1002