What is 1-ChloroMethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) used for?

1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) is an electrophilic fluorinating reagent, It can be used: As a highly effective and versatile source of electrophilic fluorine. As a fluorinating reagent that effects oxidative ring opening of 2,5-diarylfurans to cis-1,4-enediones. For direct fluorination of silyl ketene acetals leading to the formation of α-fluoro-α-arylcarboxylic acids.

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