Transition Metal as Template: Reversing the Synthesis Logic in the Preparation of Pincer Complexes.

Autor: Contreras JJ; Department of Chemistry, Texas A&M University, TAMU - 3255, College Station, Texas, 77842, USA., Lee SR; Department of Chemistry, Texas A&M University, TAMU - 3255, College Station, Texas, 77842, USA., Nguyen VT; Department of Chemistry, Texas A&M University, TAMU - 3255, College Station, Texas, 77842, USA., Suarez T; Department of Chemistry, Texas A&M University, TAMU - 3255, College Station, Texas, 77842, USA., Leong DW; Department of Chemistry, Texas A&M University, TAMU - 3255, College Station, Texas, 77842, USA., Bhuvanesh N; Department of Chemistry, Texas A&M University, TAMU - 3255, College Station, Texas, 77842, USA., Johnson MW; Department of Chemistry, University of Richmond, Richmond, Virginia, 23173, USA., Ozerov OV; Department of Chemistry, Texas A&M University, TAMU - 3255, College Station, Texas, 77842, USA.
Jazyk: angličtina
Zdroj: Angewandte Chemie (International ed. in English) [Angew Chem Int Ed Engl] 2024 Dec 03, pp. e202418663. Date of Electronic Publication: 2024 Dec 03.
DOI: 10.1002/anie.202418663
Abstrakt: The conventional synthetic approach to transition metal pincer complexes calls for the preparation of the tridentate pincer (pro)ligand first, with subsequent introduction of the transition metal center as the last step. This work demonstrates that the alternative synthetic logic, where the central main group element is introduced last, can be applicable to a number of PEP pincer complexes (E=B, Al, Si, P) derived from phosphinophenols and phosphinopyrroles. This approach obviates the need to isolate well-behaved propincer precursors, and instead relies on the formation of phosphine-metal adducts first, whose nature determines the stoichiometry of the needed main group reagent to complete the synthesis.
(© 2024 Wiley-VCH GmbH.)
Databáze: MEDLINE
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