Reductive Deamination of a Diaminogermylene Promoted by an Aluminyl Anion: Isolation of Ge(I), Ge(0) and Ge(-I) Products.

The reaction of the potassium aluminyl K[Al(NON)] ([NON]2- = [O(SiMe2NDipp)2]2-, Dipp = 2,6-iPr2C6H3) with the diaminogermylene Ge[N(SiMe3)2]2 afforded [K(C6H6)][Al(NON){(Me3Si)2NGeGeN(SiMe3)2}] containing an AlGe2 ring. Structural and computational analysis confirm an aluminacyclodigermene complex that can be considered as an η2-coordinated digermyne at aluminium with Ge(I) centres. This compound is an intermediate on the reduction pathway to K3[(Ge4){Al(NON)}2{N(SiMe3)2}], which contains a distorted tetrahedral cluster of Ge(-I) centres. Characterisation of the dialumane (NON)Al─Al(NON) from this reaction is indicative of sequential one electron redox processes initiated by the aluminyl anion. Repeating the reaction in methylcyclohexane afforded K2[{Al(NON)}2(Ge2)], containing a formally digermanium(0) unit with an exceptionally long Ge═Ge double bond.

• Publication year

  2025

• Venue

  Angewandte Chemie

• Publication date

  2025-08-12

• Fields of study

  Medicine, Chemistry

• Identifiers
  DOI 10.1002/anie.202512812PMID 40790999
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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