弱稳定的伯硼阳离子及其二阳离子二聚体。
Weakly stabilized primary borenium cations and their dicationic dimers.
机构信息
Department of Chemistry, University of Michigan , Ann Arbor, Michigan 48109, United States.
出版信息
J Am Chem Soc. 2013 Oct 23;135(42):15686-9. doi: 10.1021/ja407458k. Epub 2013 Oct 10.
Abstract
Hydride abstraction from monocationic hydride bridged salts H(H2B-L)2 [B(C6F5)4]¯ (L = Lewis base) generates an observable primary borenium cation for L = iPr2NEt, but with L = Me3N, Me2NPr, or several N-heterocyclic carbenes, highly reactive dicationic dimers are formed.
摘要
从单价氢桥盐H(H2B-L)2 [B(C6F5)4]¯（L=路易斯碱）中脱去氢化物，会生成可观察到的伯硼翁阳离子，但 L 为 iPr2NEt 时，L 为 Me3N、Me2NPr 或几种 N-杂环卡宾时，会形成高活性的二阳离子二聚体。
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