{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Han B"],"funding":["Natural Science Foundation of Shaanxi Province","National Natural Science Foundation of China"],"pagination":["39934-39939"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9044643"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["11(63)"],"pubmed_abstract":["Replacing expensive noble metals like Pt, Pd, Ir, Ru, and Rh with inexpensive earth-abundant metals like cobalt (Co) is attracting wider research interest in catalysis. Cobalt catalysts are now undergoing a renaissance in hydrogenation reactions. Herein, we describe a hydrogenation method for polycyclic aromatic hydrocarbons (PAHs) and olefins with a magnesium-activated earth-abundant Co catalyst. When diketimine was used as a ligand, simple and inexpensive metal salts of CoBr<sub>2</sub> in combination with magnesium showed high catalytic activity in the site-selective hydrogenation of challenging PAHs under mild conditions. Co-catalyzed hydrogenation enabled the reduction of two side aromatics of PAHs. A wide range of PAHs can be hydrogenated in a site-selective manner, which provides a cost-effective, clean, and selective strategy to prepare partially reduced polycyclic hydrocarbon motifs that are otherwise difficult to prepare by common methods. The use of well-defined diketimine-ligated Co complexes as precatalysts for selective hydrogenation of PAHs and olefins is also demonstrated."],"journal":["RSC advances"],"pubmed_title":["Ligand-enabled and magnesium-activated hydrogenation with earth-abundant cobalt catalysts."],"pmcid":["PMC9044643"],"funding_grant_id":["22061041","2020JQ-789"],"pubmed_authors":["Han B","Zhang Y","Ma H","Zhang M","Wang J","Jiao H"],"additional_accession":[]},"is_claimable":false,"name":"Ligand-enabled and magnesium-activated hydrogenation with earth-abundant cobalt catalysts.","description":"Replacing expensive noble metals like Pt, Pd, Ir, Ru, and Rh with inexpensive earth-abundant metals like cobalt (Co) is attracting wider research interest in catalysis. Cobalt catalysts are now undergoing a renaissance in hydrogenation reactions. Herein, we describe a hydrogenation method for polycyclic aromatic hydrocarbons (PAHs) and olefins with a magnesium-activated earth-abundant Co catalyst. When diketimine was used as a ligand, simple and inexpensive metal salts of CoBr<sub>2</sub> in combination with magnesium showed high catalytic activity in the site-selective hydrogenation of challenging PAHs under mild conditions. Co-catalyzed hydrogenation enabled the reduction of two side aromatics of PAHs. A wide range of PAHs can be hydrogenated in a site-selective manner, which provides a cost-effective, clean, and selective strategy to prepare partially reduced polycyclic hydrocarbon motifs that are otherwise difficult to prepare by common methods. The use of well-defined diketimine-ligated Co complexes as precatalysts for selective hydrogenation of PAHs and olefins is also demonstrated.","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Dec","modification":"2025-04-05T11:07:38.418Z","creation":"2025-04-05T11:07:38.418Z"},"accession":"S-EPMC9044643","cross_references":{"pubmed":["35494102"],"doi":["10.1039/d1ra07266h"]}}