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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzoic acid esters
• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzoic acids and derivatives Benzoic acid esters
• Other Chemical Reagents Derivatization Reagents
• Solvents and Organic Chemicals Organic Compounds Acids/Esters

Methyl 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 480425-35-2): A Versatile Boronic Ester in Modern Chemistry

Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 480425-35-2) represents a crucial building block in contemporary organic synthesis, particularly in the field of Suzuki-Miyaura cross-coupling reactions. This boronic ester derivative has gained significant attention from pharmaceutical researchers and material scientists due to its stability, reactivity, and broad applicability in creating complex molecular architectures.

The compound belongs to the important class of arylboronic esters, which serve as protected forms of boronic acids. The 4,4,5,5-tetramethyl-1,3,2-dioxaborolane protecting group (commonly known as pinacol boronic ester) enhances the compound's stability against moisture and oxidation while maintaining excellent reactivity in various transformations. This balance makes methyl 3-(pinacolboronyl)benzoate particularly valuable for multi-step synthetic sequences.

In pharmaceutical applications, this compound serves as a key intermediate for constructing biaryl systems found in numerous drug candidates. Recent studies highlight its utility in developing kinase inhibitors, a hot topic in cancer research and autoimmune disease treatment. The ester functionality at the meta position allows for further derivatization, making it a versatile synthon for medicinal chemistry programs.

Material science has also benefited from derivatives of CAS 480425-35-2, particularly in the development of organic electronic materials. The boronic ester moiety enables the construction of conjugated systems through cross-coupling, essential for creating OLED materials and organic semiconductors - areas experiencing rapid growth due to demand for flexible electronics and sustainable energy solutions.

The synthetic utility of methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate extends to metal-organic frameworks (MOFs) and covalent organic frameworks (COFs), where it serves as a building block for porous materials with applications in gas storage, separation technologies, and catalysis. These applications align with current research trends in carbon capture and hydrogen storage solutions.

From a synthetic chemistry perspective, this compound offers several advantages. The pinacol boronic ester group is more stable than the corresponding boronic acid, yet readily participates in transmetalation steps during cross-coupling reactions. The methyl ester provides an additional handle for further functionalization through hydrolysis or reduction, making it a multifunctional intermediate in complex molecule assembly.

Recent advances in flow chemistry and continuous processing have increased demand for stable, crystalline boronic esters like CAS 480425-35-2. Its excellent shelf stability and consistent performance make it particularly suitable for automated synthesis platforms and high-throughput experimentation - key trends in modern drug discovery pipelines.

Environmental considerations have also brought attention to this compound's role in green chemistry applications. Compared to traditional organotin reagents, arylboronic esters generate less toxic byproducts and often require milder reaction conditions. This aligns with the pharmaceutical industry's push toward more sustainable synthetic methodologies.

Analytical characterization of methyl 3-(pinacolboronyl)benzoate typically includes 1H NMR, 13C NMR, and mass spectrometry for purity assessment. The compound generally appears as a white to off-white crystalline solid with good solubility in common organic solvents like THF, dichloromethane, and ethyl acetate, but limited water solubility - properties that facilitate its handling and purification.

As research into boron-containing compounds continues to expand, CAS 480425-35-2 maintains its importance as a reliable and versatile building block. Its applications span from traditional pharmaceutical intermediates to cutting-edge materials science, reflecting the ongoing convergence of these disciplines in addressing modern technological and medical challenges.

The commercial availability of methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate from multiple suppliers ensures accessibility for both academic and industrial researchers. Current market trends show growing demand for such high-purity boronic esters, driven by increased activity in small molecule drug development and specialty materials research.

Future applications may emerge in areas like bioorthogonal chemistry and proteolysis targeting chimeras (PROTACs), where boronic esters play increasingly important roles. The compound's structural features make it a candidate for developing new covalent inhibitors and targeted protein degraders, representing some of the most exciting frontiers in medicinal chemistry today.

Storage recommendations for CAS 480425-35-2 typically suggest keeping the material in a cool, dry place under inert atmosphere to maintain optimal stability. While the pinacol boronic ester is relatively stable, proper storage ensures maximum shelf life and consistent performance in sensitive synthetic applications.

In summary, methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate stands as a prime example of how boron chemistry continues to enable advances across multiple scientific disciplines. Its combination of stability, reactivity, and multifunctionality ensures its ongoing relevance in addressing both current and future challenges in synthetic chemistry and materials development.

• 171364-80-0(Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate)
• 903895-48-7(3-t-Butoxycarbonylphenylboronic acid, pinacol ester)
• 1218791-30-0(3-(Isopropoxycarbonyl)-5-methylphenylboronic acid, pinacol ester)
• 17136-80-0(METHYL 4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZOATE)
• 195062-62-5(4-Ethoxycarbonylphenylboronic acid, pinacol ester)
• 882679-40-5(Methyl 4-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)benzoate)
• 269410-00-6(Ethyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate)
• 478375-39-2(Methyl 2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate)
• 929626-17-5(Methyl 3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate)
• 1150271-63-8(3-(Ethoxycarbonyl)-5-methylphenylboronic Acid Pinacol Ester)