Issue 5, 2015

Carbaborane-based alkynylphosphanes and phospholes

Abstract

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

Supplementary files

Article information

Article type
Communication
Submitted
26 Oct 2014
Accepted
11 Nov 2014
First published
12 Nov 2014
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2015,51, 836-838

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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