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Synthesis, structure, and reactivity of 13- and 14-vertex carboranes.
Acc Chem Res
May 2014
Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, People's Republic of China.
Carboranes are a class of polyhedral boron hydride clusters in which one or more of the BH vertices are replaced by CH units. Their chemistry has been dominated by 12-vertex carboranes for over half a century. In contrast, knowledge regarding supercarboranes (carboranes with more than 12 vertices) had been limited merely to possible cage geometries predicted by theoretical work before 2003.
View Article and Find Full Text PDFRecent progress in the chemistry of supercarboranes.
Chem Asian J
August 2010
Department of Chemistry and Center of Novel Functional Molecules, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China.
The chemistry of boron clusters has been dominated by icosahedral carboranes for over half a century. Only in recent years has significant progress been made in the chemistry of supercarboranes (carboranes with more than 12 vertices). A number of CAd (carbon-atoms-adjacent) 13- and 14-vertex carboranes, and CAp (carbon-atoms-apart) 13-vertex carboranes as well as their corresponding 14- and 15-vertex metallacarboranes have been successfully prepared and structurally characterized.
View Article and Find Full Text PDFRole of c,c'-linkage in the formation and stabilization of supercarboranes. Synthesis and structure of carbon-atoms-apart 13-vertex carborane and 14-vertex metallacarborane.
J Am Chem Soc
January 2007
Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China.
Synthesis, structure, and reactivity of 13-vertex carboranes and 14-vertex metallacarboranes.
J Am Chem Soc
April 2006
Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China.
Syntheses, properties, and synthetic applications of 13-vertex closo- and nido-carboranes are reported. Reactions of the nido-carborane salt [(CH2)3C2B10H10]Na2 with dihaloborane reagents afforded 13-vertex closo-carboranes 1,2-(CH2)3-3-R-1,2-C2B11H10 (R = H (2), Ph (3), Z-EtCH=C(Et) (4), E-(t)BuCH=CH (5)). Treatment of the arachno-carborane salt [(CH2)3C2B10H10]Li4 with HBBr2.
View Article and Find Full Text PDFSupercarboranes.
Angew Chem Int Ed Engl
March 2003
Department of Chemistry, University of Virginia, Charlottesville, VA 22901, USA.
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