New preparation of 1,1,2,2-tetrafluoro-2-(trifluoroethenyloxy)-ethanesulfonyl fluoride |
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| Authors: | Nobuyuki Uematsu Nobuto Hoshi Masanori Ikeda |
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| Institution: | Central R&D Laboratories, Asahi Kasei Corporation, 2-1 Samejima, Fuji, Shizuoka 416-8501, Japan |
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| Abstract: | A new preparation method of 1,1,2,2-tetrafluoro-2-(trifluoroethenyloxy)-ethanesulfonyl fluoride (8) has been developed utilizing the unique performance of the imidazole protective group. Namely, the electrodonating character of the imidazole protective group on the sulfonyl group enables the formation of the novel intermediate monomer, which can be easily converted to 8 by the reaction with HF. |
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| Keywords: | Monomer Fluorine Polymer electrolyte Imidazole Protective group |
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