1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride

1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride is a high-purity nutrient-additives supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

1. N-Heterocyclic Carbene (NHC) Precursor

This compound is widely recognized as a precursor to N-heterocyclic carbenes (NHCs), which are stable, strongly donating ligands in:

Homogeneous catalysis (e.g., transition metal complexes)

Organometallic chemistry

Cross-coupling reactions (such as Suzuki, Heck, and Stille reactions)

When deprotonated, it forms a free carbene that coordinates with metals like Pd, Ru, Rh, Au, and Cu, enhancing catalytic performance.

2. Catalyst Development

Plays a key role in the development of highly active and stable metal catalysts for industrial and academic applications.

Especially useful in green chemistry, offering efficient catalytic cycles with high turnover numbers (TONs) and turnover frequencies (TOFs).

3. Stabilizing Reactive Intermediates

As an imidazolium salt, it provides a highly bulky, electron-rich environment, making it suitable for stabilizing low-valent metal centers and reactive intermediates in synthetic pathways.

4. Ionic Liquid Research

Can be incorporated into ionic liquid designs when paired with other counterions. Its bulky structure offers potential benefits in thermal and electrochemical stability.

5. Ligand Scaffold in Medicinal Inorganic Chemistry

NHC-metal complexes derived from this imidazolium salt are being explored for antitumor, antibacterial, and antifungal applications due to their unique coordination properties and lipophilic ligand environment.

✅ Bulky Substitution Increases Stability

The 2,6-diisopropylphenyl substituents provide steric protection to the reactive carbene center, enhancing the stability of both the precursor and the NHC it forms.

✅ Strong σ-Donating Capability

Upon deprotonation, it yields an NHC ligand that strongly donates electrons to metal centers, improving catalytic efficiency and ligand-metal bonding strength.

✅ Versatile in Catalyst Design

Compatible with a wide range of transition metals, making it highly flexible for designing tailored catalysts across various chemical transformations.

✅ Facilitates Green Chemistry Approaches

NHC-based catalysts often allow for milder reaction conditions, lower metal loadings, and reusable catalyst systems - aligning with principles of sustainable synthesis.

1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride (CAS 258278-25-0) serves as a cornerstone compound in modern organometallic and catalytic chemistry. Its bulky and electron-rich imidazolium structure makes it an ideal precursor to stable N-heterocyclic carbenes, which are widely used as ligands in transition metal catalysis. From fine chemical synthesis to industrial-scale reactions, this compound supports efficient, selective, and sustainable catalytic processes. Its continued relevance across chemistry disciplines highlights its versatility and utility in driving innovation in both academic and industrial applications.

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