Abstract
AbstractReaction of aqueous solution of sodium perfluoroalkanesulfinate with cupric sulphate gave a high yield of cupric perfluoroalkanesulfinate, which decomposed slowly in the air on exposure to light to give perfluorocarboxylic acid. The reaction between cupric perfluoroalkanesulfinate and olefins in the presence of potassium iodide and excess CuSO4 in ether at low temperature (‐30 to‐20°C) formed two kinds of adducts, namely the normal adducts, Rf SO2CH2CHIR(2) and the adducts resulting from the loss of SO2 moiety, Rf CH2CHIR(3) in yields ranging from morderate to good. These results were identical with that of the addition of perfluoroalkanesulfonyl iodide to olefins. A radical reaction mechanism is proposed.
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