Reversible insertion of CO into an aluminium–carbon bond†
Richard Y.
Kong 
a
and
Mark R.
Crimmin
*a
a
and
Mark R.
Crimmin
*a
Abstract
A [2.2.1] aluminium metallobicycle is capable of reversibly inserting CO to form a [2.2.2] metallobicycle at 100 °C. Computational studies reveal a highly asynchronous, but concerted, transition state for CO insertion. The coordination of CO to aluminium precedes C–C bond formation. The reversible migratory insertion of CO at aluminium thus mimics well-established transition-metal reactivity.
- This article is part of the themed collection: Celebrating our 2020 Prize and Award winners
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