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New bifunctional perfluoro compound and production thereof

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专利汇可以提供New bifunctional perfluoro compound and production thereof专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:Perfluoroalkane sulfonyl fluoride iodide expressed by formula I (n is 2-5).
EXAMPLE: 1-tetrafluoroethane sulfonyl fluoride iodide.
USE: Useful as a synthetic intermediate of surfactant, agricultural chemical, medical drug or a fluorine-containing product such as fluorine-based ionomer, or a raw material for iodine optical dissociation laser, etc.
PREPARATION: Perfluorocarboxylic acid fluoride expressed by formula II is reacted with lithium iodide at 100-300°C, preferably 150-230°C to afford the compound expressed by formula I. Said lithium iodide is preferably anhydride and using amount of said lithium iodide is preferably stoichiometric amount or a little excess amount of the stoichiometric amount. Besides, e.g. ω-(fluorosulfonyl) perfluorocarboxylic acid fluoride or perfluoro-β-sultone is used as a starting raw material.
COPYRIGHT: (C)1991,JPO&Japio,下面是New bifunctional perfluoro compound and production thereof专利的具体信息内容。

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