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  Yaling Zhang,Chunhui Dai,Shiwei Zhou,Bin Liu Chem. Commun., 2018,54, 10092-10095
• 2. Emerging enantiomeric resolution materials with homochiral nano-fabrications
  Ji-Ping Wei Nanoscale, 2015,7, 11815-11832
• 3. Dissolved oxygen sensor based on fluorescence quenching of oxygen-sensitive ruthenium complexes immobilized in sol–gel-derived porous silica coatings
  Analyst, 1996,121, 785-788
• 4. Embedding heteroatoms: an effective approach to create porphyrin-based functional materials
  Norihito Fukui,Keisuke Fujimoto,Hideki Yorimitsu,Atsuhiro Osuka Dalton Trans., 2017,46, 13322-13341
• 5. Fast synthesis of copper nanoclusters through the use of hydrogen peroxide additive and their application for the fluorescence detection of Hg2+ in water samples?
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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Phenylmethylamines

Introduction to 2-Aminomethyl-4-fluorophenylboronic acid, hydrochloride (CAS No. 850568-02-4)

2-Aminomethyl-4-fluorophenylboronic acid, hydrochloride, identified by its CAS number 850568-02-4, is a specialized chemical compound that has garnered significant attention in the field of pharmaceutical and medicinal chemistry. This compound belongs to the class of boronic acids, which are widely recognized for their utility in various biochemical and synthetic applications. The presence of both an amino group and a fluorine substituent in the phenyl ring imparts unique reactivity and functionality, making it a valuable intermediate in the synthesis of complex molecules.

The hydrochloride salt form of this compound enhances its solubility in aqueous systems, facilitating its use in solution-phase reactions and biological assays. Boronic acids, in general, are well-documented for their role as chelating agents and as key components in Suzuki-Miyaura cross-coupling reactions, which are pivotal in constructing biaryl structures found in many active pharmaceutical ingredients (APIs). The specific modification with a fluorine atom at the para position relative to the amino-substituted boronic acid moiety further tailors its electronic properties, influencing both its reactivity and its potential biological interactions.

In recent years, there has been a surge in research focusing on fluorinated aromatic compounds due to their enhanced metabolic stability and improved pharmacokinetic profiles. The incorporation of fluorine into drug candidates often leads to increased binding affinity and selectivity. The 2-Aminomethyl-4-fluorophenylboronic acid, hydrochloride (CAS No. 850568-02-4) is no exception, and its structural features make it an attractive building block for the development of novel therapeutic agents.

One of the most compelling applications of this compound lies in its use as a precursor in the synthesis of protease inhibitors. Proteases play a crucial role in numerous biological pathways, and inhibiting their activity is a common strategy for treating diseases such as cancer, inflammation, and viral infections. Boronic acid-based protease inhibitors have been successfully marketed, with examples including pegaptanib for macular edema and sunitinib for cancer treatment. The 2-Aminomethyl-4-fluorophenylboronic acid, hydrochloride (CAS No. 850568-02-4) can be strategically incorporated into peptidomimetic scaffolds to mimic natural substrate sequences while introducing additional functional groups that enhance binding interactions.

Moreover, the fluorine atom at the para position influences the electronic distribution across the aromatic ring, which can be exploited to modulate the reactivity of the boronic acid group. This fine-tuning is particularly important in cross-coupling reactions where selectivity between different reactive sites is paramount. The 2-Aminomethyl-4-fluorophenylboronic acid, hydrochloride (CAS No. 850568-02-4) has been employed in synthesizing fluorinated biaryl compounds that exhibit improved pharmacological properties compared to their non-fluorinated counterparts.

Recent studies have also explored the potential of this compound in materials science applications. Fluorinated boronic acids can serve as precursors for functional polymers and coatings due to their ability to participate in controlled polymerization reactions. The introduction of fluorine into these materials can lead to enhanced thermal stability and chemical resistance, making them suitable for high-performance applications.

The synthesis of 2-Aminomethyl-4-fluorophenylboronic acid, hydrochloride (CAS No. 850568-02-4) typically involves multi-step organic transformations starting from readily available aromatic precursors. Key steps include halogenation followed by nucleophilic substitution with an amine source, followed by boronation using appropriate boron reagents such as trialkyl borates or diboron complexes. The final step involves conversion to the hydrochloride salt to improve solubility and handling properties.

In conclusion, 2-Aminomethyl-4-fluorophenylboronic acid, hydrochloride (CAS No. 850568-02-4) is a versatile compound with significant utility in pharmaceutical research and development. Its unique structural features make it an invaluable tool for constructing complex molecular architectures with tailored biological activities. As research continues to uncover new applications for fluorinated compounds, the importance of this boronic acid derivative is likely to grow further.

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