Double Deprotonation of CH3CN by an Iron‐Aluminium Complex**

Author:

Stadler Benedek1ORCID,Gorgas Nikolaus12ORCID,White Andrew J. P.1ORCID,Crimmin Mark R.1ORCID

Affiliation:

1. Department of Chemistry Imperial College London White City London W12 0BZ UK

2. Institute of Applied Synthetic Chemistry Vienna University of Technology Getreidemarkt 9 1060 Vienna Austria

Abstract

AbstractHerein we present the first double deprotonation of acetonitrile (CH3CN) using two equivalents of a bimetallic iron‐aluminium complex. The products of this reaction contain an exceeding simple yet rare [CHCN]2− dianion moiety that bridges two metal fragments. DFT calculations suggest that the bonding to the metal centres occurs through heavily polarised covalent interactions. Mechanistic studies reveal the intermediacy of a monomeric [CH2CN] complex, which has been characterised in situ. Our findings provide an important example in which a bimetallic metal complex achieves a new type of reactivity not previously encountered with monometallic counterparts.[1, 2] The isolation of a [CHCN]2− dianion through simple deprotonation of CH3CN also offers the possibility of establishing a broader chemistry of this motif.

Funder

H2020 Excellent Science

Austrian Science Fund

Publisher

Wiley

Subject

General Medicine

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