Hydrogen Activation with Ru-PN³P Pincer Complexes for the Conversion of C₁ Feedstocks.

ABSTRACT: The hydrogenation of C₁ feedstocks (CO and CO₂) has been investigated using ruthenium complexes [RuHCl(CO)(PN³P)] as the catalyst. PN³P pincer ligands containing amines in the linker between the central pyridine donor and the phosphorus donors with bulky substituents (tert-butyl (1) or TMPhos (2)) are required to obtain mononuclear single-site catalysts that can be activated by the addition of KO^tBu to generate stable five-coordinate complexes [RuH(CO)(PN³P-H)], whereby the pincer ligand has been deprotonated. Activation of hydrogen takes place via heterolytic cleavage to generate [RuH₂(CO)(PN³P)], but in the presence of CO, coordination of CO occurs preferentially to give [RuH(CO)<

SUBMITTER: Morton MD 

PROVIDER: S-EPMC10880058 | biostudies-literature | 2024 Feb

REPOSITORIES: biostudies-literature