(4S,5S)-1,3-Bis(2,6-dimethylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium tetrafluoroborate
97%
science Other reagents with same CAS 1033618-43-7
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description Product Description
This chiral compound is widely used as a precursor to N-heterocyclic carbene (NHC) ligands in asymmetric organometallic catalysis. It plays a key role in ruthenium-based olefin metathesis reactions, where the derived ligand enhances catalyst stability and activity, enabling enantioselective ring-closing metathesis (RCM) and cross-metathesis (CM) for the synthesis of cyclic structures and complex organic molecules in pharmaceuticals and fine chemicals. It is also employed in palladium-catalyzed cross-coupling reactions, such as Suzuki and Heck couplings, to improve catalytic efficiency under mild conditions. Its steric bulk and electron-donating properties make it suitable for stabilizing reactive metal centers in homogeneous catalysts, promoting high enantioselectivity.