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Issue 5, 2015
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Carbaborane-based alkynylphosphanes and phospholes

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The reaction of 1,2-bis(N,N-dimethylaminochloro-phosphanyl)-1,2-dicarba-closo-dodecaborane(12) and lithiated phenylacetylene gives a five-membered dihydrophosphole derivative with an exocyclic phosphanyl group. This unexpected reaction opens new possibilities for the synthesis of carbaborane-containing phosphorus heterocycles. P,P′-alkynylated 1,2-bis(phosphanyl)-1,2-dicarba-closo-dodecaborane(12)s are obtained from alkynylchlorophosphanes and dilithiated carbaborane. This new class of alkynes can be used for future applications in cyclizations and polymerizations.

Graphical abstract: Carbaborane-based alkynylphosphanes and phospholes

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The article was received on 26 Oct 2014, accepted on 11 Nov 2014 and first published on 12 Nov 2014

Article type: Communication
DOI: 10.1039/C4CC08449G
Chem. Commun., 2015,51, 836-838
  • Open access: Creative Commons BY-NC license
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    Carbaborane-based alkynylphosphanes and phospholes

    A. Kreienbrink, M. B. Sárosi, R. Kuhnert, P. Wonneberger, A. I. Arkhypchuk, P. Lönnecke, S. Ott and E. Hey-Hawkins, Chem. Commun., 2015, 51, 836
    DOI: 10.1039/C4CC08449G

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