Phosphonium and arsonium ylides. XVII. A facile synthesis of methyl 2,6-bisperfluoroalkylbenzoates via acyclic precursors |
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Authors: | Wei-Yu Ding Wei-Guo Cao Zhen-Rong Xu Zhi-Jian Shi Yuan Yao |
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Abstract: | The title compounds 6a—6f were prepared with high yield via intramolecular Wittig reaction of methyl 3-perfluoroalkyl-6-peifluoroacyl-2-triphenylphosphoranylidenchex-3,5-dienoates (5a—5i) which were obtained from the reaction of 3-perfluoroacylprop-2-enylidenetriphenylphosphoranes (3a—3c) with methyl perfluoroalkynoates (4a—4c). |
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