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