All‐Inorganic sp‐Chain Ligands: Isoelectronic B/N Analogues of E. O. Fischer's Alkynylcarbynes

Author:

Walther Luis12,Radacki Krzysztof12ORCID,Dewhurst Rian D.12ORCID,Bertermann Rüdiger12,Finze Maik12ORCID,Braunschweig Holger12ORCID

Affiliation:

1. Institute for Inorganic Chemistry Julius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Germany

2. Institute for Sustainable Chemistry & Catalysis with Boron Julius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Germany

Abstract

AbstractBorylation of a tungsten‐bound N2 ligand and halide abstraction provides access to a cationic complex with an unprecedented linear NNBR ligand. This complex undergoes [3+2] cycloaddition with azides, and an unexpected chain‐extension reaction with an iminoborane, leading to a complex with a five‐atom B/N chain. These two [NNBR]‐containing complexes, inorganic analogues of E. O. Fischer's alkynylcarbynes, are very rare examples of molecules containing all‐inorganic chains of sp‐hybridized atoms.

Funder

Deutsche Forschungsgemeinschaft

Publisher

Wiley

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