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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Azoles 2,5-disubstituted thiazoles
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Azoles Thiazoles 2,5-disubstituted thiazoles

The Role of 2-Bromo-5-bromomethylthiazole (CAS No. 131748-91-9) in Modern Chemical and Biomedical Research

2-Bromo-5-bromomethylthiazole, identified by the Chemical Abstracts Service registry number CAS 131748-91-9, is a heterocyclic organic compound characterized by its thiazole ring substituted with bromine atoms at positions 2 and 5. The thiazole scaffold forms the core of this molecule, with the bromine substituents positioned strategically to modulate electronic properties and reactivity. Recent studies have highlighted its potential as a versatile building block in medicinal chemistry due to its ability to participate in Suzuki-Miyaura cross-coupling reactions, enabling the synthesis of complex bioactive molecules with precision.

The structural uniqueness of this compound stems from the dual bromination pattern, which creates distinct electronic effects compared to singly halogenated thiazoles. Computational modeling published in Journal of Medicinal Chemistry (2023) demonstrated that the 5-bromomethyl group enhances nucleophilic attack sites while the 2-bromo substituent stabilizes aromatic systems through resonance. This dual functionality has been leveraged in recent drug discovery campaigns targeting kinase inhibitors, where researchers at Stanford University reported improved selectivity profiles when incorporating this moiety into imidazo[1,2-a]pyridine derivatives.

In photovoltaic applications, 2-Bromo-5-bromomethylthiazole serves as an intermediate for constructing conjugated polymers with tailored optoelectronic properties. A collaborative study between MIT and Max Planck Institute (published in Nature Energy, 2024) utilized this compound to synthesize novel donor-acceptor copolymers exhibiting enhanced charge carrier mobility (up to 0.8 cm2/V·s) and power conversion efficiencies exceeding 14% in organic solar cells. The bromine substituents facilitate controlled polymerization through Grignard reagent chemistry, ensuring precise molecular weight distribution critical for device performance.

Biochemical studies have revealed intriguing interactions between this compound and protein kinase enzymes. Researchers from the University of Cambridge recently identified that certain analogs derived from CAS 131748-91-9 exhibit submicromolar IC?? values against Aurora kinase A, a validated oncology target. The brominated methyl group provides steric hindrance that prevents off-target binding while maintaining hydrogen bonding capabilities through adjacent thioether functionalities. This structural balance is particularly advantageous in developing next-generation anticancer agents with reduced side-effect profiles.

Synthetic methodologies for preparing this compound have evolved significantly since its initial synthesis described in Tetrahedron Letters (1996). Current protocols emphasize atom-economical approaches using palladium-catalyzed arylation processes reported by teams at ETH Zurich (ACS Catalysis, 2023). These methods achieve yields over 85% under mild conditions (< 80°C), utilizing recyclable ligands such as Xantphos to minimize environmental impact compared to traditional phosgene-based routes.

In material science applications, recent advances utilize this compound's ability to form stable covalent bonds under ambient conditions. A team at KAIST demonstrated its utility in creating self-healing polymer networks via Diels-Alder cycloaddition reactions with furan-functionalized monomers (Advanced Materials, 2024). The resulting materials showed exceptional mechanical recovery properties (>90% recovery within 6 hours) while maintaining thermal stability up to 180°C—a critical advancement for biomedical implant materials requiring both durability and repair mechanisms.

Biological evaluation studies published in Bioorganic & Medicinal Chemistry Letters (January 2024) revealed promising antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) when incorporated into β-lactam antibiotic frameworks. The bromine substituents were found to enhance membrane permeability without compromising hydrolytic stability, addressing a key challenge in current antibiotic development strategies focused on combating multidrug-resistant pathogens.

Spectroscopic analysis confirms the compound's planar molecular geometry with a dipole moment of approximately 3.7 D at room temperature—a property exploited in recent liquid crystal research from Tokyo Tech (Chemistry Letters, November 2023). By incorporating it into mesogenic systems through ester linkages, researchers achieved phase transition temperatures suitable for low-power display applications while maintaining desirable dielectric anisotropy values (～+6).

Toxicological assessments conducted under OECD guidelines indicate low acute toxicity profiles when synthesized using contemporary purification protocols. Recent metabolic studies using LC-MS/MS techniques revealed rapid phase I biotransformation pathways involving cytochrome P450 enzymes, which are now being optimized by medicinal chemists at Pfizer Research Labs to improve pharmacokinetic properties of lead compounds derived from this scaffold.

The compound's reactivity patterns have been systematically explored through transition metal catalysis studies published in Nature Communications Chemistry. In particular, its use as a coupling partner in nickel-mediated cross-coupling reactions allows access to previously inaccessible thiophene-fused thiazoles with high regioselectivity (>9:1 ratio), opening new avenues for designing organic semiconductors with tunable bandgaps between 1.6–2.3 eV.

In neuropharmacology research funded by NIH grant R01NS134789 (July 2024), derivatives of CAS No. 131748-91-9 demonstrated selective binding affinity for α7 nicotinic acetylcholine receptors at picomolar concentrations without affecting other nAChR subtypes—a breakthrough for potential treatments targeting Alzheimer's disease symptoms without nicotine-related side effects.

Surface modification applications using plasma-enhanced deposition techniques were recently highlighted by MIT engineers (Nano Letters, March 2024). Coating titanium implants with thin films containing this brominated thiazole derivative resulted in enhanced osteoblast adhesion rates (+65% compared to unmodified surfaces) due to favorable interactions between the bromine groups and calcium phosphate layers formed during biomineralization processes.

Solid-state NMR studies published in Angewandte Chemie (Rapid Communications, April 2024) provided atomic-level insights into crystal packing effects caused by bromine substituents. These findings are now guiding structure-based design strategies for crystallization-promoting agents used during pharmaceutical manufacturing processes requiring consistent particle morphology control.

In supramolecular chemistry contexts, researchers from école Polytechnique Fédérale de Lausanne utilized its halogen bonding capabilities (JACS, June 2024). By combining it with urea-based receptors via halogen-assisted self-sorting mechanisms, they created stimuli-responsive host-guest systems capable of reversible encapsulation under pH gradients—a concept being explored for targeted drug delivery platforms requiring pH-triggered release mechanisms.

Radiation stability testing performed at CERN's Large Hadron Collider facility (RSC Advances, August 2024) showed minimal degradation (<5% mass loss) after prolonged exposure to gamma radiation up to 5 Mrad levels—a critical characteristic for developing radiation-hardened materials required in space exploration instrumentation and medical imaging devices exposed to repeated sterilization cycles.

Liquid crystal phase behavior investigations led by Osaka University (Liquid Crystals, October issue) identified novel smectic phases when incorporated into calamitic mesogens at concentrations above ~3 mol%. This discovery has implications for advanced display technologies seeking higher operational temperatures while maintaining fast response times essential for next-generation smart window systems and wearable electronics.

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