Synthesis of 2-I-closo-B10H92- by iodination of closo-B10H102-

A pure salt 2-I-B10H92-[N+(C4H9)(4)](2) vas obtained by treatment of ethanolic (Na2+B10H102)- with ethanolic iodine at -75degreesC, followed by addition of tetrabutylammonium bromide.