1,2-Insertion reactions of alkynes into Ge-C bonds of arylbromogermylene

Tomohiro Sugahara, Arturo Espinosa Ferao, Alicia Rey Planells, Jing Dong Guo, Shin Aoyama, Kazunobu Igawa, Katsuhiko Tomooka, Takahiro Sasamori, Daisuke Hashizume, Shigeru Nagase, Norihiro Tokitoh

研究成果: Contribution to journalArticle


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-hexyneviasuch 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.

ジャーナルDalton Transactions
出版物ステータス出版済み - 6 7 2020

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

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    Sugahara, T., Espinosa Ferao, A., Rey Planells, A., Guo, J. D., Aoyama, S., Igawa, K., Tomooka, K., Sasamori, T., Hashizume, D., Nagase, S., & Tokitoh, N. (2020). 1,2-Insertion reactions of alkynes into Ge-C bonds of arylbromogermylene. Dalton Transactions, 49(21), 7189-7196. https://doi.org/10.1039/d0dt01223h