Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 141, Issue 8, Pages 3424-3429Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b13645
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- state of Baden-Wurttemberg through bwHPC
- German Research Foundation (DFG) [INST 40/467-1 FUGG, SCHE1905/3]
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An intramolecular germylene-phosphine Lewis pair (1) was reacted with germanium dichloride to give in 92% yield a phosphine adduct of a chloro substituted germyl-germylene (2). After reduction of this dichloride with strong reductants like the Mg(I) reagent {((Mes)Nacnac)Mg}(2) (72% yield) or Na (52% yield) a phosphine stabilized digermavinylidene (3) was isolated as crystalline material [(Mes)Nacnac = {[(Mes)NC-(Me)](2)CH}(-), Mes = 2,4,6-Me3C6H2]. The electronic structure of the digermavinylidene was investigated by density functional theory calculations. In reaction with adamantylphosphaalkyne the product of a [2+2] cyclo-addition was characterized (4). Adamantylazide abstracts at room temperature a germanium atom from the digermavinylidene and a tetrameric organogermanium nitride (5) was isolated as colorless crystals.
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