Reactions of bromonium salts of the carboborane series with nucleophiles

Abstract

1. The reaction of phenyl-(9-m-carboranyl)bromonium borofluoride with nucleophiles is less regioselective than the analogous reactions of phenyl-(9-m-carboranyl)iodonium salts, and is more often accompanied by disruption of the carborane ring. 2. With the symmetrical bis(9-m-carboranyl)bromonium salts, both nucleophilic substitution and radical reactions proceed with much more difficulty than with the phenyl-(B-carboranyl) halonium and diphenylhalonium compounds.