Synthesis of G E M- Bromofluoroolefins Using Singlet Bromofluorocarbene Generated from Ethyl Dibromofluoroacetate Via a Wittig-type Reaction
JOURNAL OF FLUORINE CHEMISTRY(2024)
摘要
A halon-free method for the synthesis of gem-bromofluoroolefins utilizing ethyldibromofluoro-acetate is disclosed via Wittig type reaction. The reaction system takes advantage of inexpensive and readily available reagents. The method was applied to a wide variety of aryl aldehydes. Both electron donating and electron withdrawing moieties on the aryl ring were tolerated and the desired olefin products were obtained in good to excellent yields.
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关键词
Ethyldibromofluoroacetate,Bromofluorocarbene,Triphenylphosphine,Wittig -type reaction,Gem-bromofluoroolefins
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