Synthesis of β-Fluorovinyliodonium Salts by the Reaction of Alkynes with Hypervalent Iodine/HF Reagents.
JOURNAL OF ORGANIC CHEMISTRY(2018)
摘要
The reaction of alkynes with PhIO and Py center dot HF followed by treatment with BF3 center dot OEt2 gave beta-fluorovinyliodonium tetrafluoroborates in good to high yields. More conveniently, the reaction using PhI and Py center dot HF in the presence of m-CPBA also afforded beta-fluorovinyliodonium tetrafluoroborates in good yields. These methods have the advantages that beta-fluorovinyliodonium salts can be prepared without ArIF2.
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关键词
Hypervalent Iodine Compounds,Trifluoromethylation
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