in chloroform; water mixt. of aryl(m-carboran-9-yl)iodonium tetrafluoroborate, NaF, water and chloroform was vigorously stirred under reflux at 56°C, 2 h; internal standard (chlorobenzene) added and org. layer was analysed by GLC;

in chloroform; water mixt. of aryl(m-carboran-9-yl)iodonium tetrafluoroborate, NaCl, water and chloroform was vigorously stirred under reflux at 56°C, 2-2.5 h; internal standard (chlorobenzene) added and org. layer was analysed by GLC;

sodium nitrite in dichloromethane; water mixt. of NaNO2 and the boron contg. salt in a two phase system stirred vigourously at 40°C, 1.5h (accompanied by evolution of nitrogen oxides), further product: C6H5NO2 (4percent); organic layer sepd. from aq. layer, evapn. of CH2Cl2 in vac., residue sepd. by chromy. (silica gel, hexane (9-iodo-m-carbaborane); benzene-hexane 1:1 (9-nitro-m-carbaborane); ether (9-hydroxy-m-carbaborane);

sodium nitrite in dichloromethane; water mixt. of NaNO2 and the boron contg. salt in a two phase system stirred vigourously at 40°C, 1.5h (accompanied by evolution of nitrogen oxides), further product: C6H5NO2 (4percent); organic layer sepd. from aq. layer, evapn. of CH2Cl2 in vac., residue sepd. by chromy. (silica gel, hexane (9-iodo-m-carbaborane); benzene-hexane 1:1 (9-nitro-m-carbaborane); ether (9-hydroxy-m-carbaborane);

in chloroform; water mixt. of aryl(m-carboran-9-yl)iodonium tetrafluoroborate, NaF, water and chloroform was vigorously stirred under reflux at 56°C, 2 h; internal standard (chlorobenzene) added and org. layer was analysed by GLC;

in chloroform; water mixt. of aryl(m-carboran-9-yl)iodonium tetrafluoroborate, NaCl, water and chloroform was vigorously stirred under reflux at 56°C, 2-2.5 h; internal standard (chlorobenzene) added and org. layer was analysed by GLC;