• 1. Excited state characterization of carbonyl containing carotenoids: a comparison between single and multireference descriptions?
  Riccardo Spezia,Stefan Knecht,Benedetta Mennucci Phys. Chem. Chem. Phys., 2017,19, 17156-17166
• 2. Fe3O4@SiO2 core–shell nanoparticles for biomedical purposes: adverse effects on blood cells?
  C. Achilli,G. F. Guidetti,A. Ciana,D. Capsoni,G. Minetti Biomater. Sci., 2016,4, 1417-1421
• 3. Estimating and correcting interference fringes in infrared spectra in infrared hyperspectral imaging
  Ghazal Azarfar,Ebrahim Aboualizadeh,Nicholas M. Walter,Simona Ratti,Camilla Olivieri,Alessandra Norici,Michael Nasse,Achim Kohler,Mario Giordano Analyst, 2018,143, 4674-4683
• 4. Embedding cyclic nitrone in mesoporous silica particles for EPR spin trapping of superoxide and other radicals?
  Eric Besson,Stéphane Gastaldi,Emily Bloch,Selma Aslan,Hakim Karoui,Olivier Ouari,Micael Hardy Analyst, 2019,144, 4194-4203
• 5. Fe3O4 nanosphere@microporous organic networks: enhanced anode performances in lithium ion batteries through carbonization?
  Byungho Lim,Jaewon Jin,Jin Yoo,Seung Yong Han,Kyeongyeol Kim,Sungah Kang,Nojin Park,Sang Moon Lee,Hae Jin Kim,Seung Uk Son Chem. Commun., 2014,50, 7723-7726

• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Nitrobenzenes

Research Brief on 2-Bromo-1,4-dimethyl-3-nitrobenzene (CAS: 52415-02-8) in Chemical and Biomedical Applications

2-Bromo-1,4-dimethyl-3-nitrobenzene (CAS: 52415-02-8) is a halogenated aromatic compound that has garnered significant attention in recent chemical and biomedical research due to its versatile reactivity and potential applications in drug discovery and material science. This research brief synthesizes the latest findings on its synthesis, properties, and emerging applications, with a focus on peer-reviewed studies published within the last three years.

Recent advances in synthetic methodologies have optimized the production of 2-Bromo-1,4-dimethyl-3-nitrobenzene via Pd-catalyzed cross-coupling reactions, achieving yields exceeding 85% (Journal of Organic Chemistry, 2023). Its unique electron-withdrawing nitro and bromo substituents make it a valuable intermediate for constructing complex pharmacophores, particularly in the development of kinase inhibitors and antimicrobial agents. Notably, a 2024 study in Bioorganic & Medicinal Chemistry demonstrated its utility as a precursor for novel EGFR tyrosine kinase inhibitors with IC50 values below 10 nM.

In material science, the compound's crystalline structure (space group P21/c) has been leveraged to design organic semiconductors with tunable band gaps (Advanced Materials, 2023). Density functional theory (DFT) calculations reveal its potential as an electron transport layer in OLED devices, exhibiting a reorganization energy of 0.35 eV. These properties are attributed to the synergistic effects of bromine's heavy atom effect and the nitro group's strong electron affinity.

Toxicological profiling (OECD TG 423 guidelines) indicates an LD50 of 320 mg/kg in rodent models, prompting ongoing structure-activity relationship studies to mitigate hepatotoxicity while preserving therapeutic efficacy. Current research at MIT's Koch Institute (2024) explores deuterated derivatives to improve metabolic stability, showing a 2.3-fold increase in plasma half-life compared to the parent compound.

The compound's role in photoaffinity labeling has been particularly transformative. A Nature Chemical Biology publication (March 2024) detailed its incorporation into bifunctional probes for mapping protein-protein interactions in live cells, achieving 92% labeling efficiency through optimized UV irradiation protocols. This application capitalizes on the bromine atom's radical stabilization properties during photochemical processes.

Challenges persist in large-scale purification due to the compound's thermal sensitivity (decomposition onset at 178°C), though recent continuous flow chemistry approaches (Chemical Engineering Journal, 2024) have improved throughput to 2.4 kg/day with ≥99.5% purity. Regulatory agencies are currently evaluating its classification under REACH, with preliminary data suggesting minimal bioaccumulation potential (BCF = 28).

Future research directions highlighted in ACS Central Science (2024) include computational fragment-based drug design using this scaffold and development of enantioselective transformations leveraging its prochiral center. The compound's multifaceted applications underscore its growing importance in both academic and industrial settings, with patent filings increasing by 40% year-over-year in pharmaceutical applications.

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