Reaction is effected between an aryliodonium tosylate and an active hydrogen aliphatic organic compound, such as dimedone, to produce an intermediate arylalkyliodonium tosylate salt which is thereafter reacted with {HEAD ~ a polyfluoro metal or metalloid salt} of {TAIL ~ an alkali or alkaline earth metal} to produce the desired arylalkyliodonium polyfluoro metal or metalloid salt, such as dimedonylphenyliodonium hexafluoroarsenate 
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Reaction is effected between an aryliodonium tosylate and an active hydrogen aliphatic organic compound , such as dimedone , to produce an intermediate arylalkyliodonium tosylate salt which is thereafter reacted with { HEAD ~ a polyfluoro metal or metalloid salt } of { TAIL ~ an alkali or alkaline earth metal } to produce the desired arylalkyliodonium polyfluoro metal or metalloid salt , such as dimedonylphenyliodonium hexafluoroarsenate
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