Studies on sulfinatodehalogenation: XVI. Sodium dithionite-initiated addition of perfluoroalkyl iodides to terminal alkynes |
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Authors: | Huang Wei-Yuan,LÜ Long,Zhang Yuan-Fa |
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Abstract: | Reaction of perfluoroalkyl iodides with a series of alkynes under sulfinatodehalogenation condition gave a mixture of E/Z adducts very readily in high yield, thus constituted a mild, convenient and effective new method for the addition of perfluoroalkyl iodides to alkynes. Under the same condition, in the presence of 1-hexyne perfluoroalkyl bromide and 1,1,1-trichlorotrifluoroethane reacted only to give sulfinates as the major products. A radical mechanism was proposed for the addition reaction. |
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