SEARCH Articles Figures Tables Aryl chlorides tetrafluoroborate Aryl halides tetrafluoroborate Aryl halides tri-tert-butylphosphonium tetrafluoroborate Aryl iodides tetrafluoroborate Arylation Arenediazonium tetrafluoroborates Arylations di-tert-butyl phosphonium tetrafluoroborate Arylations tri-tert-butylphosphonium tetrafluoroborate Direct arylations tetrafluoroborate