Magnesium-stabilised transition metal formyl complexes: structures, bonding, and ethenediolate formation

Autor:	Mark R. Crimmin, Joe Parr, Andrew J. P. White
Rok vydání:	2022
Předmět:	Chemistry Ligand Magnesium chemistry.chemical_element Fischer–Tropsch process General Chemistry Metal chemistry.chemical_compound Transition metal visual_art Polymer chemistry visual_art.visual_art_medium Chelation Carbon monoxide
Zdroj:	Chemical Science. 13:6592-6598
ISSN:	2041-6539 2041-6520
DOI:	10.1039/d2sc02063g
Popis:	Herein we report the first comprehensive series of crystallographically characterised transition metal formyl complexes. In these complexes, the formyl ligand is trapped as part of a chelating structure between a transition metal (Cr, Mn, Fe, Co, Rh, W, and Ir) and a magnesium (Mg) cation. Calculations suggest that this bonding mode results in significant oxycarbene-character of the formyl ligand. Electron-rich late-transition metal complexes have the highest oxycarbene-character to the bonding and are the most stable in solution. Further reaction of a heterometallic Cr---Mg formyl complex results in a rare example of C–C coupling and formation of an ethenediolate complex. These results show that well-defined transition metal formyl complexes are potential intermediates in the homologation of carbon monoxide.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59b3f1fd738d7d8b417dfaef07e94855 https://doi.org/10.1039/d2sc02063g Zobrazit plný text záznamu