• 1. The calculation of 29Si NMR chemical shifts of tetracoordinated silicon compounds in the gas phase and in solution
  Cong Zhang,Pascal Patschinski,David S. Stephenson,Robin Panisch,Josef Heinrich Wender,Max C. Holthausen,Hendrik Zipse Phys. Chem. Chem. Phys. 2014 16 16642
• 2. The calculation of 29Si NMR chemical shifts of tetracoordinated silicon compounds in the gas phase and in solution
  Cong Zhang,Pascal Patschinski,David S. Stephenson,Robin Panisch,Josef Heinrich Wender,Max C. Holthausen,Hendrik Zipse Phys. Chem. Chem. Phys. 2014 16 16642

• Solvents and Organic Chemicals Organic Compounds Organometallic compounds Organometalloid compounds Organosilicon compounds Alkylarylsilanes
• Other Chemical Reagents Organic Metal Reagents

1-(tert-Butyldimethylsilyl)imidazole (CAS No. 54925-64-3): A Versatile Silicon-Protected Imidazole Derivative

In the realm of organosilicon chemistry, 1-(tert-Butyldimethylsilyl)imidazole (CAS No. 54925-64-3) stands out as a crucial imidazole protecting group reagent. This compound, often abbreviated as TBS-imidazole, has gained significant attention in pharmaceutical synthesis and material science due to its unique steric protection properties and selective reactivity.

The molecular structure of 1-(tert-Butyldimethylsilyl)imidazole features a tert-butyldimethylsilyl (TBS) group attached to the nitrogen atom of imidazole, creating what researchers call a "bulky silyl protection" configuration. This structural feature makes it particularly valuable in multi-step organic synthesis, where chemists frequently ask: "How to protect imidazole nitrogen selectively?" or "What's the best protecting group for imidazole derivatives?"

Recent studies in medicinal chemistry highlight the growing importance of TBS-protected imidazoles in drug development. The compound's ability to withstand various reaction conditions while maintaining stability makes it ideal for creating complex heterocyclic systems. Pharmaceutical researchers particularly value its application in synthesizing kinase inhibitors and antiviral compounds, addressing current medical challenges.

From a synthetic chemistry perspective, 1-(tert-Butyldimethylsilyl)imidazole offers several advantages. Its high purity grade (typically ≥97%) ensures reliable results in sensitive reactions. The tert-butyldimethylsilyl group provides excellent protection against unwanted side reactions while allowing subsequent selective deprotection under mild conditions. This characteristic answers another common query in organic synthesis: "How to remove TBS group from imidazole?" which can be achieved using fluoride sources like TBAF.

The material science applications of TBS-imidazole derivatives have expanded significantly in recent years. Researchers exploring organic electronic materials frequently utilize this compound to create imidazole-based semiconductors. Its thermal stability (typically stable up to 150°C) makes it suitable for various high-temperature processes in material fabrication.

In the context of green chemistry trends, 1-(tert-Butyldimethylsilyl)imidazole presents interesting possibilities. While traditional protecting groups might require harsh conditions for removal, the TBS group can be cleaved under relatively mild conditions, reducing energy consumption and waste generation. This aligns with current research priorities in "sustainable protecting group strategies" and answers the growing industry question: "What are environmentally friendly protecting groups?"

The storage and handling of 54925-64-3 require standard laboratory precautions. It should be kept in a cool, dry place under inert atmosphere to maintain stability. The compound's moisture sensitivity makes proper storage crucial, addressing another common practical question: "How to store TBS-imidazole properly?"

From a market perspective, the demand for high-purity 1-(tert-Butyldimethylsilyl)imidazole has grown steadily, particularly from contract research organizations and pharmaceutical developers. The compound's role in creating next-generation therapeutics has positioned it as a valuable building block in modern organic synthesis.

Recent patent literature reveals numerous applications of TBS-imidazole derivatives in cutting-edge research. These include their use in developing targeted drug delivery systems and bioactive molecule scaffolds. The compound's versatility continues to inspire new synthetic methodologies, answering researchers' questions about "innovative uses of silyl protecting groups."

Quality control of 1-(tert-Butyldimethylsilyl)imidazole typically involves HPLC analysis and NMR verification to ensure the absence of impurities that might affect sensitive reactions. This attention to purity addresses another frequent concern in synthetic chemistry: "How to verify TBS-imidazole purity?"

As research into heterocyclic compounds advances, 54925-64-3 maintains its relevance through continuous discovery of new applications. Its role in creating molecular scaffolds for various biological targets ensures its place in the toolkit of modern synthetic chemists. The compound's balanced properties between protection efficiency and removal convenience make it particularly valuable in complex synthesis projects.

The future of 1-(tert-Butyldimethylsilyl)imidazole research appears promising, with ongoing studies exploring its potential in catalysis and functional material design. As synthetic methodologies evolve, this compound continues to provide solutions to challenging molecular construction problems, maintaining its status as an essential reagent in contemporary organic chemistry.

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