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Issue 40, 2019

Reduction of 1,3,5,7-cyclooctatetraene by a molecular calcium hydride: an even electron polarised insertion/deprotonation mechanism

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Abstract

Reaction of a dimeric β-diketiminato calcium hydride with 1,3,5,7-cyclooctatetraene enables two electron aromatisation of the [8]annulene to provide an inverse sandwich dicalcium cyclooctatetraenyl derivative. This reactivity does not proceed through sequential single electron transfer but via a consecutive polarised Ca–H/C[double bond, length as m-dash]C insertion and deprotonation pathway that occurs at the intact dimeric hydride reagent.

Graphical abstract: Reduction of 1,3,5,7-cyclooctatetraene by a molecular calcium hydride: an even electron polarised insertion/deprotonation mechanism

Supplementary files

Article information


Submitted
28 Mar 2019
Accepted
17 Apr 2019
First published
17 Apr 2019

This article is Open Access

Chem. Commun., 2019,55, 5732-5735
Article type
Communication

Reduction of 1,3,5,7-cyclooctatetraene by a molecular calcium hydride: an even electron polarised insertion/deprotonation mechanism

M. S. Hill, M. F. Mahon, A. S. S. Wilson, C. Dinoi, L. Maron and E. Richards, Chem. Commun., 2019, 55, 5732 DOI: 10.1039/C9CC02418B

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