Stable Two-Legged Parent Piano-Stool and Mixed Diborabenzene-E-4 (E=P, As) Sandwich Complexes of Group 8

Dietz, Maximilian and Arrowsmith, Merle and Reichl, Stephan and Lugo-Fuentes, Leonardo and Jimenez-Halla, J. Oscar C. and Scheer, Manfred and Braunschweig, Holger (2022) Stable Two-Legged Parent Piano-Stool and Mixed Diborabenzene-E-4 (E=P, As) Sandwich Complexes of Group 8. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 61 (36): e202206840. ISSN 1433-7851, 1521-3773

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Abstract

A cyclic alkyl(amino)carbene-stabilized 1,4-diborabenzene (DBB) ligand enables the isolation of 18-electron two-legged parent piano-stool Fe-0 and Ru-0 complexes, [(eta(6)-DBB)M(CO)(2)], the ruthenium complex being the first of its kind to be structurally characterized. [(eta(6)-DBB)Fe(CO)(2)] reacts with E-4 (E=P, As) to yield mixed DBB-cyclo-E-4 sandwich complexes with planar E-4(2-) ligands. Computational analyses confirm the strong electron-donating capacity of the DBB ligand and show that the E-4 ligand is bound by four equivalent Fe-P sigma bonds.

Item Type: Article
Uncontrolled Keywords: MOLECULAR-STRUCTURE; ELECTRONIC-STRUCTURE; CRYSTAL-STRUCTURE; METAL-COMPLEXES; REACTIVITY; BORABENZENE; POLYMERIZATION; DICARBONYL; RUTHENIUM; CARBONYLS; 1; 4-Diborabenzene; Bonding; Group 8 Metals; Parent Piano-Stool Complex; Pnictogen Reduction
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer
Depositing User: Dr. Gernot Deinzer
Date Deposited: 20 Feb 2024 07:35
Last Modified: 20 Feb 2024 07:35
URI: https://pred.uni-regensburg.de/id/eprint/58197

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