1,3-Bis(2,6-dibenzhydryl-4-methoxyphenyl)-1H-imidazol-3-ium chloride

1,3-Bis(2,6-dibenzhydryl-4-methoxyphenyl)-1H-imidazol-3-ium chloride is a high-purity ligands supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

1,3-Bis(2,6-dibenzhydryl-4-methoxyphenyl)-1H-imidazol-3-ium chloride is widely used as a precursor to highly sterically hindered N-heterocyclic carbene (NHC) ligands. Upon deprotonation, it generates a bulky and strongly electron-donating carbene that is suitable for forming stable metal–NHC complexes with palladium, gold, silver, ruthenium, iridium, and other transition metals. These complexes play important roles in cross-coupling reactions, olefin metathesis, C–H functionalization, hydrosilylation, and other catalytic transformations in both research and industrial synthesis. The presence of methoxy substituents adds additional electronic tuning capability, making the derived carbene useful in designing catalysts with enhanced selectivity or modified electronic profiles. The compound is also employed in ligand-development studies, mechanistic investigations, and the preparation of robust homogeneous catalysts used in pharmaceutical precursor synthesis, polymer modification, material-science applications, and high-value fine-chemical production.

The compound provides significant benefits due to its combination of steric protection and tunable electron-donating properties. The bulky dibenzhydryl groups shield reactive metal centers, improving catalyst longevity, thermal stability, and resistance to decomposition. The methoxy substituent further enhances electronic modulation, allowing fine control over catalytic activity and selectivity, which is valuable for complex or sensitive transformations. The imidazolium chloride salt form offers good solubility in common organic solvents, convenient handling, and reliable conversion to the active carbene under standard conditions. Its structural characteristics enable chemists to access high-performance metal–NHC complexes that exhibit high turnover frequencies, compatibility with diverse substrates, and improved efficiency in demanding synthesis scenarios. The compound's predictable reactivity and stability support rapid catalyst optimization and scalable process development.

1,3-Bis(2,6-dibenzhydryl-4-methoxyphenyl)-1H-imidazol-3-ium chloride is a valuable precursor for generating electronically tunable, sterically demanding NHC ligands that deliver exceptional stability and performance in modern catalytic systems. Its molecular design enables high selectivity, robustness, and versatility across a broad range of organic transformations. As a result, it plays an important role in the advancement of metal-catalyzed synthesis, supporting innovation in pharmaceuticals, fine chemicals, and materials chemistry.

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