Dietz Maximilian, Arrowsmith Merle, Reichl Stephan, Lugo-Fuentes Leonardo I, Jiménez-Halla J Oscar C, Scheer Manfred, Braunschweig Holger
Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
Angew Chem Int Ed Engl. 2022 Sep 5;61(36):e202206840. doi: 10.1002/anie.202206840. Epub 2022 Jul 27.
A cyclic alkyl(amino)carbene-stabilized 1,4-diborabenzene (DBB) ligand enables the isolation of 18-electron two-legged parent piano-stool Fe and Ru complexes, [(η -DBB)M(CO) ], the ruthenium complex being the first of its kind to be structurally characterized. [(η -DBB)Fe(CO) ] reacts with E (E=P, As) to yield mixed DBB-cyclo-E sandwich complexes with planar E ligands. Computational analyses confirm the strong electron-donating capacity of the DBB ligand and show that the E ligand is bound by four equivalent Fe-P σ bonds.
一种环状烷基（氨基）卡宾稳定的1,4-二硼苯（DBB）配体能够分离出18电子的两腿母体钢琴凳型铁和钌配合物[(η -DBB)M(CO) ]，其中钌配合物是同类中首个得到结构表征的。[(η -DBB)Fe(CO) ]与E（E = P、As）反应生成具有平面E 配体的混合DBB-环-E夹心配合物。计算分析证实了DBB配体强大的给电子能力，并表明E配体通过四个等价的铁-磷σ键结合。
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