Issue 1, 1993

2-Substituted icosahedral monocarbon carboranes. Part 1. Synthesis via boron insertion

Abstract

New 2-substituted icosahedral monocarbon carboranes have been synthesised by functionalised boron insertion. The compounds [NBun4][2-Ph-closo-1-CB11H11]1, [PPh4][2-(p-MeC6H4)-closo-1-CB11H11]2, [N(CH2Ph)Me3][2-F-closo-1-CB11H11]3, 2-Me3N-closo-1-CB11H114 and [PPh4][2-Cl(CH2)4O-closo-1-CB11H11]5 were characterised by 1H, 11B and 11B–11B correlation NMR spectroscopy. The crystal structure of 5 shows a cage distortion that is postulated to result from π interaction of the substituent with the cluster. Crystal data: triclinic, space group P[1 with combining macron], a= 10.672(2), b= 11.047(2), c= 14.203(3)Å, α= 75.97(2), β= 87.84(2), γ= 83.22(2)°, Z= 2. Final R= 0.042 for 3951 reflections with I > 2σ(I).

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1993, 135-141

2-Substituted icosahedral monocarbon carboranes. Part 1. Synthesis via boron insertion

F. S. Mair, J. H. Morris, D. F. Gaines and D. Powell, J. Chem. Soc., Dalton Trans., 1993, 135 DOI: 10.1039/DT9930000135

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