• 1. Examination of deposit in commercial diluted phosphoric acid
  Analyst, 1880,5, 146-147
• 2. Esterase-responsive polymeric prodrug-based tumor targeting nanoparticles for improved anti-tumor performance against colon cancer?
  Gang Pan,Yi-jie Bao,Jie Xu,Tao Liu,Cheng Liu,Yan-yan Qiu,Xiao-jing Shi,Hui Yu,Ting-ting Jia,Xia Yuan,Ze-ting Yuan,Yi-jun Cao RSC Adv., 2016,6, 42109-42119
• 3. Exchanged ligands on the surface of a giant cluster: [(MoO3)176(H2O)63(CH3OH)17Hn](32 – n)–
  Chem. Commun., 1998, 1501-1502
• 4. Establishment and implications of a characterization method for magnetic nanoparticle using cell tracking velocimetry and magnetic susceptibility modified solutions
  Huading Zhang,Lee R. Moore,Maciej Zborowski,P. Stephen Williams,Shlomo Margel,Jeffrey J. Chalmers Analyst, 2005,130, 514-527
• 5. Excited state dynamics of symmetric and asymmetric Cr3(dpa)4Cl2 measured using femtosecond transient absorption spectroscopy?
  Chao-Han Cheng,Wen-Zhen Wang,Shie-Ming Peng,I-Chia Chen Phys. Chem. Chem. Phys., 2017,19, 25471-25477

• Solvents and Organic Chemicals Organic Compounds Benzenoids Thiophenols

Introduction to 2-Bromo-3-methylbenzene-1-thiol (CAS No. 1263377-50-9)

2-Bromo-3-methylbenzene-1-thiol, identified by its Chemical Abstracts Service (CAS) number 1263377-50-9, is a specialized organic compound that has garnered significant attention in the field of pharmaceutical chemistry and materials science. This compound, featuring a bromine substituent at the 2-position and a methyl group at the 3-position of a benzene ring, with a thiol (-SH) functional group at the 1-position, exhibits unique chemical properties that make it a valuable intermediate in synthetic chemistry. The presence of both bromine and thiol groups provides versatile reactivity, enabling its use in various cross-coupling reactions, sulfide synthesis, and as a precursor in the development of more complex molecular architectures.

The thiol group in 2-Bromo-3-methylbenzene-1-thiol is particularly noteworthy due to its nucleophilic character, which allows for facile participation in nucleophilic substitution reactions. This property is highly advantageous in medicinal chemistry, where such transformations are often employed to introduce sulfur-containing heterocycles into biologically active molecules. Sulfur-containing compounds are well-documented for their diverse pharmacological activities, including antimicrobial, anti-inflammatory, and anticancer effects. The structural motif of 2-Bromo-3-methylbenzene-1-thiol aligns well with these pharmacophores, making it a promising building block for drug discovery initiatives.

Recent advancements in synthetic methodologies have highlighted the utility of 2-Bromo-3-methylbenzene-1-thiol in constructing complex organic frameworks. For instance, the Suzuki-Miyaura cross-coupling reaction has been effectively applied to introduce aryl groups at the brominated position, generating derivatives with enhanced functional diversity. Additionally, the thiol group can undergo oxidation to form disulfides or react with electrophiles to form thioureas and other sulfur-based derivatives. These transformations are particularly relevant in the synthesis of protease inhibitors and kinase inhibitors, which are critical targets in modern drug development.

In materials science, 2-Bromo-3-methylbenzene-1-thiol has been explored as a precursor for conductive polymers and metal-organic frameworks (MOFs). The aromatic system combined with sulfur-rich functionalities offers opportunities for tuning electronic properties and thermal stability. Researchers have demonstrated its incorporation into thiophene-based polymers, which exhibit promising applications in organic electronics due to their high charge-carrier mobility and solution processability. Furthermore, the bromine substituent facilitates further functionalization via palladium-catalyzed reactions, enabling the design of tailored materials with specific properties.

The pharmaceutical industry has shown particular interest in 2-Bromo-3-methylbenzene-1-thiol due to its potential as an intermediate in the synthesis of bioactive molecules. For example, derivatives of this compound have been investigated for their role in modulating enzyme activity. The thiol group can be selectively modified to create covalent inhibitors or probes for studying enzyme mechanisms. Moreover, recent studies have explored its application in developing small-molecule chelators for targeted drug delivery systems. The ability to conjugate this compound with other therapeutic agents or imaging agents underscores its versatility in medicinal applications.

From an academic perspective, 2-Bromo-3-methylbenzene-1-thiol serves as an excellent scaffold for teaching advanced organic synthesis concepts. Its reactivity allows students to practice multi-step syntheses involving halogenation, thiolation, and cross-coupling reactions. The compound’s stability under various reaction conditions also makes it suitable for demonstrating mechanistic studies and spectroscopic analysis techniques. As such, it has found its way into laboratory courses and research projects aimed at developing next-generation chemists.

The industrial production of 2-Bromo-3-methylbenzene-1-thiol is typically achieved through bromination and thiolation processes starting from commercially available precursors like m-xylene or o-xylene. Advances in catalytic systems have improved the efficiency and selectivity of these reactions, reducing byproduct formation and enhancing yield. Such improvements are crucial for scaling up production while maintaining cost-effectiveness and environmental sustainability.

Future research directions involving 2-Bromo-3-methylbenzene-1-thiol may focus on expanding its applications in medicinal chemistry and materials science. For instance, exploring its role as a ligand in transition-metal catalysis could open new synthetic pathways for complex molecules. Additionally, investigating its behavior under different reaction conditions may reveal novel reactivity patterns that could be exploited for green chemistry initiatives.

In conclusion,2-Bromo-3-methylbenzene-1-thiol (CAS No. 1263377-50-9) is a multifaceted compound with broad utility across multiple scientific disciplines. Its unique structural features and reactivity make it an indispensable tool for synthetic chemists working on pharmaceuticals, materials science, and advanced organic transformations. As research continues to uncover new applications for this compound,2-Bromo-3-methylbenzene-1-thiol is poised to remain at the forefront of chemical innovation.

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