Synthesis and Characterization of 1-(Cl2B)B5H8 and 1-(Cl2B)-2-ClB5H7: A New Boron-Boron σ Bond

Donald F. Gaines, Joseph A. Heppert, Darrell E. Coons, Michael W. Jorgenson

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Abstract

Two new 1-(dichloroboryl)pentaborane(9) derivatives, 1-(Cl2B)B5H8 and 1-(Cl2B)-2-ClB5H7, have been produced via the reaction of BCl3 with B5H9 and 2-ClB5H8, respectively, in the presence of Friedel-Crafts catalysts. These compounds are the first examples of σ bonding between borane cluster atoms and external trigonal boron atoms. The boron-boron bonds undergo cleavage at elevated temperature in the presence of diethyl ether and insert ethylene at ambient temperature to form 1-[2-(dichloroboryl)ethyl]pentaborane(9) derivatives.

Original languageEnglish
Pages (from-to)3662-3665
Number of pages4
JournalInorganic Chemistry
Volume21
Issue number10
DOIs
StatePublished - 1982

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