{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["7(28)"],"submitter":["Pappuru S"],"pubmed_abstract":["The conversion of CO<sub>2</sub> and epoxides to cyclic carbonates over a silica-supported di-iron(III) complex having a reduced Robson macrocycle ligand system is shown to proceed at 1 atm and 80 °C, exclusively producing the <i>cis</i>-cyclohexene carbonate from cyclohexene oxide. We examine the effect of immobilization configuration to show that the complex grafted in a semirigid configuration catalytically outperforms the rigid, flexible configurations and even the homogeneous counterparts. Using the semirigid catalyst, we are able to obtain a TON of up to 800 and a TOF of up to 37 h<sup>-1</sup> under 1 atm CO<sub>2</sub>. The catalyst is shown to be recyclable with only minor leaching and no change to product selectivity. We further examine a range of epoxides with varying electron-w"],"journal":["ACS omega"],"pagination":["24656-24661"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9301958"],"repository":["biostudies-literature"],"pubmed_title":["Atmospheric-Pressure Conversion of CO<sub>2</sub> to Cyclic Carbonates over Constrained Dinuclear Iron Catalysts."],"pmcid":["PMC9301958"],"pubmed_authors":["Carmieli R","Pappuru S","Shpasser D","Jentoft FC","Shekhter P","Gazit OM"],"additional_accession":[]},"is_claimable":false,"name":"Atmospheric-Pressure Conversion of CO<sub>2</sub> to Cyclic Carbonates over Constrained Dinuclear Iron Catalysts.","description":"The conversion of CO<sub>2</sub> and epoxides to cyclic carbonates over a silica-supported di-iron(III) complex having a reduced Robson macrocycle ligand system is shown to proceed at 1 atm and 80 °C, exclusively producing the <i>cis</i>-cyclohexene carbonate from cyclohexene oxide. We examine the effect of immobilization configuration to show that the complex grafted in a semirigid configuration catalytically outperforms the rigid, flexible configurations and even the homogeneous counterparts. Using the semirigid catalyst, we are able to obtain a TON of up to 800 and a TOF of up to 37 h<sup>-1</sup> under 1 atm CO<sub>2</sub>. The catalyst is shown to be recyclable with only minor leaching and no change to product selectivity. We further examine a range of epoxides with varying electron-w","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Jul","modification":"2025-04-25T18:15:40.579Z","creation":"2025-04-06T07:30:49.715Z"},"accession":"S-EPMC9301958","cross_references":{"pubmed":["35874206"],"doi":["10.1021/acsomega.2c02488"]}}