Issue 94, 2020
From the journal:

Chemical Communications

Tuneable reduction of cymantrenylboranes to diborenes or borylene-derived boratafulvenes†

Uwe Schmidt,ab   Felipe Fantuzzi, ORCID logo abc   Merle Arrowsmith, ORCID logo ab   Alexander Hermann,ab   Dominic Prieschl,ab   Anna Rempel,ab   Bernd Engels ORCID logo c  and  Holger Braunschweig ORCID logo *ab  

* Corresponding authors

a Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
E-mail: h.braunschweig@uni-wuerzburg.de

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

c Institute for Physical and Theoretical Chemistry, Julius-Maximilians-Universität Würzburg, Emil-Fischer-Straße 42, 97074 Würzburg, Germany

Abstract

Whereas the reduction of N-heterocyclic carbene (NHC)-stabilised cymantrenyldibromoboranes, (NHC)BBr2Cym, in benzene results in the formation of the corresponding diborenes (NHC)2B2Cym2, a change of solvent to THF yields a borylene analogue of the form (NHC)2BCym, stabilised through a boratafulvene/borafulvenium conformation.

Graphical abstract: Tuneable reduction of cymantrenylboranes to diborenes or borylene-derived boratafulvenes

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Article information

DOI
https://doi.org/10.1039/D0CC06398C
Article type
Communication
Submitted
23 Sep 2020
Accepted
27 Oct 2020
First published
27 Oct 2020

Chem. Commun., 2020,56, 14809-14812

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Tuneable reduction of cymantrenylboranes to diborenes or borylene-derived boratafulvenes

U. Schmidt, F. Fantuzzi, M. Arrowsmith, A. Hermann, D. Prieschl, A. Rempel, B. Engels and H. Braunschweig, Chem. Commun., 2020, 56, 14809 DOI: 10.1039/D0CC06398C

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