Reversible Decarbonylation of an [Fe]-hydrogenase Model Complex with Acylmethylpyridyl Ligand

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[Fe]-hydrogenase can activate H2 in the presence of methenyltetrahydromethanopterin (methenyl-H4MPT+).In the active site, there are two cis-CO ligands, a cysteine sulfur atom and a bidentate acylmethylpyridinol ligand coordinating with Fe.
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