Sp-Carbon–iodine bond cleavage of alkynyl(phenyl)iodonium salts, novel synthesis of (alkylethynyl)triphenylphosphonium salts

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Abstract
Substitutions of (alkylethynyl)phenyliodonium tetrafluoroborates with triphenylphosphine in sunlight provide a useful method for the synthesis of (alkylethynyl)triphenylphosphonium tetrafluoroborates.