• 1. Excellent mechanical performance and enhanced dielectric properties of OBC/SiO2 elastomeric nanocomposites: effect of dispersion of the SiO2 nanoparticles?
  Xing Zhao,Lu Bai,Rui-Ying Bao,Zheng-Ying Liu,Ming-Bo Yang,Wei Yang RSC Adv., 2017,7, 46297-46305
• 2. Evidence of pre-micellar aggregates in aqueous solution of amphiphilic PDMS–PEO block copolymer?
  Domenico Lombardo,Gianmarco Munaò,Pietro Calandra,Luigi Pasqua,Maria Teresa Caccamo Phys. Chem. Chem. Phys., 2019,21, 11983-11991
• 3. Evolution and characterization of a benzylguanine-binding RNA aptamer?
  J. Xu,T. J. Carrocci,A. A. Hoskins Chem. Commun., 2016,52, 549-552
• 4. Evidence for the intrinsic nature of band-gap states electrochemically observed on atomically flat TiO2(110) surfaces?
  Shintaro Takata,Yoshihiro Miura Phys. Chem. Chem. Phys., 2014,16, 24784-24789
• 5. Examination of deposit in commercial diluted phosphoric acid
  Analyst, 1880,5, 146-147

• Solvents and Organic Chemicals Organic Compounds Benzenoids Phenol ethers Phenol ethers
• Solvents and Organic Chemicals Organic Compounds Benzenoids Phenol ethers

Introduction to 3-Bromo-5-isopropoxyphenylboronic acid, pinacol ester (CAS No: 1218790-34-1)

3-Bromo-5-isopropoxyphenylboronic acid, pinacol ester, identified by the chemical abstracts service number 1218790-34-1, is a specialized boronic acid derivative that has garnered significant attention in the field of pharmaceutical chemistry and materials science. This compound serves as a crucial intermediate in the synthesis of various high-value molecules, particularly in the development of novel therapeutic agents and advanced functional materials. The unique structural features of this molecule, including the presence of both bromine and isopropoxy substituents on a phenyl ring, coupled with its boronic acid functionality, make it a versatile building block for organic synthesis.

The pinacol ester form of this boronic acid derivative enhances its stability and solubility, making it more amenable to handling and incorporation into complex synthetic protocols. Boronic acids are well-known for their role in Suzuki-Miyaura cross-coupling reactions, a cornerstone of modern organic synthesis that enables the formation of carbon-carbon bonds under mild conditions. The boronic acid moiety in 3-Bromo-5-isopropoxyphenylboronic acid, pinacol ester facilitates such transformations, allowing for the construction of intricate molecular architectures with high precision.

In recent years, there has been a surge in research focused on developing new methodologies for the construction of biaryl compounds, which are prevalent in many biologically active molecules. The bromine substituent on the phenyl ring of 3-Bromo-5-isopropoxyphenylboronic acid, pinacol ester provides a handle for further functionalization via palladium-catalyzed reactions, enabling the introduction of diverse groups at specific positions. This flexibility has made it an indispensable tool in medicinal chemistry laboratories seeking to optimize drug candidates.

One of the most compelling applications of this compound is in the synthesis of small-molecule inhibitors targeting protein-protein interactions. Protein-protein interactions play a pivotal role in numerous cellular processes, and modulating these interactions is a key strategy in drug discovery. Boronic acids have emerged as effective tools for disrupting such interactions due to their ability to form reversible covalent bonds with specific amino acid residues. The isopropoxy group in 3-Bromo-5-isopropoxyphenylboronic acid, pinacol ester not only enhances steric bulk but also influences electronic properties, potentially fine-tuning binding affinity and selectivity.

Recent studies have highlighted the utility of this compound in the development of kinase inhibitors. Kinases are enzymes that phosphorylate other proteins and are involved in a wide range of cellular signaling pathways. Dysregulation of kinase activity is implicated in various diseases, making them attractive therapeutic targets. The ability to precisely modify aryl kinase inhibitors using 3-Bromo-5-isopropoxyphenylboronic acid, pinacol ester has led to the discovery of several promising lead compounds with improved pharmacokinetic profiles.

The compound's stability under various reaction conditions has also been exploited in materials science applications. For instance, it has been used in the preparation of organic electronic materials such as conjugated polymers and small-molecule emitters for light-emitting diodes (LEDs). The boronic acid functionality allows for polymerization via cross-coupling reactions, leading to materials with tailored electronic properties. These advancements underscore the broad utility of 3-Bromo-5-isopropoxyphenylboronic acid, pinacol ester beyond traditional pharmaceutical applications.

The synthesis of this compound typically involves multi-step organic transformations starting from commercially available aromatic precursors. Key steps include bromination at the desired position on the phenyl ring followed by protection of the hydroxyl group as a pinacol ester. This synthetic route has been optimized to ensure high yields and purity, making it suitable for large-scale production when needed. Advances in catalytic systems have further refined these processes, reducing reaction times and minimizing waste generation.

In conclusion,3-Bromo-5-isopropoxyphenylboronic acid, pinacol ester (CAS No: 1218790-34-1) is a multifunctional building block with significant implications across multiple domains of chemistry and biology. Its role in facilitating cross-coupling reactions and its potential applications in drug discovery and materials science highlight its importance as a research tool. As synthetic methodologies continue to evolve, compounds like this will remain at the forefront of innovation, driving progress toward new therapeutic interventions and advanced functional materials.

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