Solution-Phase Synthesis of a Base-Free Benzoborirene and a Three-Dimensional Inorganic Analogue
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https://figshare.com/articles/dataset/Solution-Phase_Synthesis_of_a_Base-Free_Benzoborirene_and_a_Three-Dimensional_Inorganic_Analogue/13030540
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资源简介：
The base-free benzoborirene 1,2-BR-1,2-C6H4 (7) and its three-dimensional inorganic
analogue 1,2-BR-1,2-C2B10H10 (13) have been successfully
synthesized by Cp2ZrBr2 and LiCl elimination,
respectively. The Cl analogue of the key intermediate for the formation
of benzoborirene 7 has been isolated and structurally
characterized, thus suggesting the reaction pathway via benzyne Zr
complex formation, B–Br/Cbenzyne–Zr σ-bond
metathesis, and a Cp2ZrBr2 elimination/ring-closing
process. The rationality of the reaction pathway has been confirmed
by DFT calculations. In addition, the title compounds shared the same
reactivity pattern (i.e., 1,3-silyl migration) toward MeIiPr (8), thus allowing for the synthetic
approach to the first carborane-substituted iminoborane 14.
创建时间：
2020-09-17
