The First Boron–Tellurium Double Bond: Direct Insertion of Heavy Chalcogens into a Mn=B Double Bond

The base‐stabilized borylene [Cp(OC)2Mn=BtBu(IMe)] readily reacts with elemental chalcogens in an insertion reaction that yields borachalcone complexes [Cp(OC)2Mn‐E=BtBu(IMe)] (E=S, Se, Te). The tellurium example features the first double bond between boron and tellurium, making Te the heaviest main...

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Published in:Angewandte Chemie International Edition 2017-12, Vol.56 (49), p.15760-15763
Main Authors: Liu, Siyuan, Légaré, Marc‐André, Auerhammer, Dominic, Hofmann, Alexander, Braunschweig, Holger
Format: Article
Language:English
Subjects:
Boron
Insertion
manganese
multiple bonds
subvalent compounds
Tellurium
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cited_by cdi_FETCH-LOGICAL-c4109-f0d42634bcb6a01c2bdf89d551644531ff55b9396fffb624381a245a4d39659f3
cites cdi_FETCH-LOGICAL-c4109-f0d42634bcb6a01c2bdf89d551644531ff55b9396fffb624381a245a4d39659f3
container_end_page 15763
container_issue 49
container_start_page 15760
container_title Angewandte Chemie International Edition
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creator Liu, Siyuan
Légaré, Marc‐André
Auerhammer, Dominic
Hofmann, Alexander
Braunschweig, Holger
description The base‐stabilized borylene [Cp(OC)2Mn=BtBu(IMe)] readily reacts with elemental chalcogens in an insertion reaction that yields borachalcone complexes [Cp(OC)2Mn‐E=BtBu(IMe)] (E=S, Se, Te). The tellurium example features the first double bond between boron and tellurium, making Te the heaviest main‐group element to make multiple bonds with boron. This unprecedented interaction has been fully investigated both experimentally and computationally. Tellurone story: Two whole decades after the characterization of the first compound featuring a boron–tellurium bond, the first example of a compound with a double B=Te bond is prepared. [Cp(OC)2Mn‐Te=BtBu(IMe)], as well as its selenium and sulfur analogues, are obtained by the direct insertion of the elemental chalcogen into a boron–manganese double bond.
doi_str_mv 10.1002/anie.201708729
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subjects Boron
Insertion
manganese
multiple bonds
subvalent compounds
Tellurium
title The First Boron–Tellurium Double Bond: Direct Insertion of Heavy Chalcogens into a Mn=B Double Bond
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