Publication: 1,2-Insertion reactions of alkynes into Ge–C bonds of arylbromogermylene
Authors
Sugahara, Tomohiro ; Espinosa Ferao, Arturo ; Rey Planells, Alicia ; Guo, Jing-Dong ; Aoyama, Shin ; Igawa, Kazunobu ; Tomooka, Katsuhiko ; Sasamori, Takahiro ; Hashizume, Daisuke ; Nagase, Shigeru ; Tokitoh, Norihiro
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Publisher
Royal Society of Chemistry
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DOI
https://doi.org/10.1039/D0DT01223H
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info:eu-repo/semantics/article
Description
© The Royal Society of Chemistry 2020. This document is the Published Manuscript version of a Published Work that appeared in final form in Dalton Transactions. To access the final edited and published work see https://doi.org/10.1039/D0DT01223H
Abstract
1,2-Insertion reactions of alkynes into the Ge–C bonds in dibromodigermenes afford stable crystalline bromovinylgermylenes. In contrast to previously reported Lewis-base-supported vinylgermylenes, the bromovinylgermylene obtained from reaction of the bromogermylene with 3-hexyne via such an 1,2-insertion is a donor-free monomer. A feasible reaction mechanism, proposed on the basis of the observed experimental results in combination with theoretical calculations, suggests that the [1+2]-cycloadduct and the insertion product are the kinetic and thermodynamic product, respectively.
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Citation
DaltonTrans, 2020, Vol. 49, pp. 7189–7196
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1-ene-2999
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