Trimethyloxonium tetrafluoroborate
= Trimethyloxonium tetrafluoroborate
The oxonium salt $\mathrm{Me_3O^+BF_4^-}$, a strong methylating reagent. <carbonyl> O-methylation followed by alpha-deprotonation can form an <enol ether>.
= Trimethyloxonium tetrafluoroborate
The oxonium salt $\mathrm{Me_3O^+BF_4^-}$, a strong methylating reagent. <carbonyl> O-methylation followed by alpha-deprotonation can form an <enol ether>.