{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["17(5)"],"submitter":["Yan L"],"pubmed_abstract":["Dinuclear rhodium complexes represent a distinct class of transition-metal compounds, exhibiting unique reactivity enabled by close metal-metal proximity. However, despite extensive investigations, access to highly reduced Rh<sub>2</sub> complexes has remained a challenge due to their intrinsic instability. Herein, we report the synthesis and characterization of a series of dirhodium complexes in the formal oxidation states of Rh<sup>II</sup> <sub>2</sub>, Rh<sup>I</sup> <sub>2</sub>, and Rh<sup>0</sup> <sub>2</sub>, supported by a flexible macrocyclic bis(pyridinediimine) (PDI<sub>2</sub>) ligand. Single-crystal X-ray diffraction analysis revealed the crystal structure of the Rh<sub>2</sub> complexes. The PDI<sub>2</sub> ligand system flexibly adapts both structure and electronics across "],"journal":["Chemical science"],"pagination":["2637-2645"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12687367"],"repository":["biostudies-literature"],"pubmed_title":["Low-oxidation state dirhodium complex produced by four-electron reduction of dirhodium(ii) complex supported by a flexible macrocyclic ligand."],"pmcid":["PMC12687367"],"pubmed_authors":["Yan L","Moriyama T","Morimoto Y","Muratsugu S","Tada M","Akita Y","Yamashita M"],"additional_accession":[]},"is_claimable":false,"name":"Low-oxidation state dirhodium complex produced by four-electron reduction of dirhodium(ii) complex supported by a flexible macrocyclic ligand.","description":"Dinuclear rhodium complexes represent a distinct class of transition-metal compounds, exhibiting unique reactivity enabled by close metal-metal proximity. However, despite extensive investigations, access to highly reduced Rh<sub>2</sub> complexes has remained a challenge due to their intrinsic instability. Herein, we report the synthesis and characterization of a series of dirhodium complexes in the formal oxidation states of Rh<sup>II</sup> <sub>2</sub>, Rh<sup>I</sup> <sub>2</sub>, and Rh<sup>0</sup> <sub>2</sub>, supported by a flexible macrocyclic bis(pyridinediimine) (PDI<sub>2</sub>) ligand. Single-crystal X-ray diffraction analysis revealed the crystal structure of the Rh<sub>2</sub> complexes. The PDI<sub>2</sub> ligand system flexibly adapts both structure and electronics across ","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Feb","modification":"2026-07-15T06:41:43.726Z","creation":"2026-06-30T03:23:33.103Z"},"accession":"S-EPMC12687367","cross_references":{"pubmed":["41378143"],"doi":["10.1039/d5sc07037f"]}}