1,3-Bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazolium tetrafluoroborate

1,3-Bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazolium tetrafluoroborate is a catalyst used in pharmaceutical manufacturing for various organic syntheses, particularly in polymerization reactions. It is part of the N-heterocyclic carbene (NHC) catalyst family.