Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
Chem Commun (Camb). 2018 Jul 19;54(59):8210-8213. doi: 10.1039/c8cc02317d.
We report two rare instances of an insertion into the strong (ca. 170 kcal mol-1) BN triple bond of iminoboranes. In the first, a silylene inserts into di-tert-butyliminoborane to form an iminosilane. In the second, the highly crowded iminoborane Ter-NB-TMP (TMP = 2,2,6,6-tetramethylpiperidyl, Ter = 2,6-(diphenylmethyl)-4-tert-butylphenyl) can be forced to react with Pip-CC-Pip (Pip = piperidyl) at 60 °C. The reaction product is the apparent result of Pip-CC insertion into the iminoborane BN bond.
我们报道了两个罕见的实例，其中亚胺硼烷中的 BN 三键被插入到强键（约 170 kcal mol-1）中。在第一个实例中，硅烯插入二-叔丁基亚胺硼烷中形成亚氨基硅烷。在第二个实例中，高度拥挤的亚胺硼烷 Ter-NB-TMP（TMP = 2,2,6,6-四甲基哌啶基，Ter = 2,6-（二苯基甲基）-4-叔丁基苯基）可以在 60°C 下被迫与 Pip-CC-Pip（Pip = 哌啶基）反应。反应产物是 Pip-CC 插入亚胺硼烷 BN 键的明显结果。
