SelectfluorTM (1.5 equiv) in acetonitrile, was then added as a source
of electrophilic fluorine and after 30 min at 78 C, methanol
(40 equiv) was added to quench the reaction.TM (1.5 equiv) in acetonitrile, was then added as a source
of electrophilic fluorine and after 30 min at 78 C, methanol
(40 equiv) was added to quench the reaction.