Method of selective fluorination

Details Method of selective fluorination Method of selective fluorination

C - Chemistry, Metallurgy

07

F

C07F 9/40 (2006.01) C07F 9/535 (2006.01)

Patent

CA 2140610

The present invention is a method for selectively fluorinating various methylenephosphonate and methylenephosphorane derivatives using an electrophilic fluorinating agent, such as N-fluoro 1,4-diazabicyclo[2.2.2]octane fluorinating agent, by fluorinating the monohalogenated methylenephosphonate or methylenephosphorane derivative to produce fluoromethylenephosphonate or fluoro-methylenephosphorane derivatives useful as fluorinated Horner-Emmons or Wittig reagents in producing selectively fluorinated vinylic compounds.

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