新型氯硼杂环戊二烯二聚体的合成与动态行为
Synthesis and fluxional behaviour of novel chloroborole dimers.
作者信息
Zhang Zuolun, Wang Zheng, Haehnel Martin, Eichhorn Antonius, Edkins Robert M, Steffen Andreas, Krueger Anke, Lin Zhenyang, Marder Todd B
机构信息
Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
出版信息
Chem Commun (Camb). 2016 Aug 11;52(62):9707-10. doi: 10.1039/c6cc04831e. Epub 2016 Jul 13.
The (B-Cl)-chloroboroles 2-chloro-1,3-di(4-R-phenyl)-2,4,5,6-tetra-hydrocyclopenta[c]borole (R = H, Br) undergo a novel dimerisation process in CH2Cl2 solution. The resulting unsymmetric dimers are highly fluxional in solution via reversible enantiomerisation through an intermediate with mirror symmetry. DFT calculations suggest an unusual dimerisation mechanism and provide insight into the dynamics of the dimers.
（B-Cl）-氯硼杂环戊二烯2-氯-1,3-二（4-R-苯基）-2,4,5,6-四氢环戊[c]硼杂环戊二烯（R = H，Br）在二氯甲烷溶液中经历了一种新型的二聚过程。所得的不对称二聚体在溶液中通过具有镜像对称性的中间体进行可逆对映异构化，具有高度的分子流动性。密度泛函理论计算表明了一种不寻常的二聚机制，并深入了解了二聚体的动力学。
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