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Issue 37, 2018
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Direct access to a cAAC-supported dihydrodiborene and its dianion

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Abstract

The two-fold reduction of (cAAC)BHX2 (cAAC = 1-(2,6-diisopropylphenyl)-3,3,5,5-tetramethylpyrrolidin-2-ylidene; X = Cl, Br) provides a facile, high-yielding route to the dihydrodiborene (cAAC)2B2H2. The (chloro)hydroboryl anion reduction intermediate was successfully isolated using a crown ether. Overreduction of the diborene to its dianion [(cAAC)2B2H2]2− causes a decrease in the B–B bond order whereas the B–C bond orders increase.

Graphical abstract: Direct access to a cAAC-supported dihydrodiborene and its dianion

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Publication details

The article was received on 26 Feb 2018, accepted on 08 Mar 2018 and first published on 09 Mar 2018


Article type: Communication
DOI: 10.1039/C8CC01580E
Citation: Chem. Commun., 2018,54, 4669-4672
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    Direct access to a cAAC-supported dihydrodiborene and its dianion

    M. Arrowsmith, J. D. Mattock, J. Böhnke, I. Krummenacher, A. Vargas and H. Braunschweig, Chem. Commun., 2018, 54, 4669
    DOI: 10.1039/C8CC01580E

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