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Specifications
| Appearance: | Yellow Powder |
| Purity (HPLC): | 99% min |
| Identification: | HNMR |
| Total Impurities: | 1.0% max |
| Simple Impurity - Benzoic acid: | 0.2% max |
| Simple Impurity - Unknown each: | 0.5% max |
| Water (K.F.): | 0.5% max |
Applications
2-Bromo-5-benzoylthiophene is a halogenated thiophene derivative widely used as an intermediate in pharmaceutical, material science, and agrochemical research. Its bromine substituent allows for selective cross-coupling reactions such as Suzuki, Stille, or Heck reactions, facilitating the introduction of diverse aryl, heteroaryl, or alkyl groups. The benzoyl group provides a reactive site for nucleophilic addition, condensation, or reduction reactions, making it useful for the synthesis of heterocycles, small-molecule drugs, and functionalized organic materials. This compound is employed in the development of bioactive molecules, including antiviral, anticancer, and anti-inflammatory agents, as well as in the synthesis of organic electronic materials such as conductive polymers and optoelectronic devices. Additionally, it serves as a research tool in structure–activity relationship (SAR) studies for medicinal chemistry and materials science applications.
Benefits
The benefits of 2-Bromo-5-benzoylthiophene arise from its dual functionalization, chemical stability, and synthetic versatility. The bromine atom enables efficient and selective palladium- or copper-mediated coupling reactions, allowing rapid structural diversification. The benzoyl moiety contributes reactivity for downstream modifications, while the thiophene ring imparts planarity and electron-rich characteristics beneficial for molecular interactions and electronic applications. Its high purity and well-defined structure ensure reproducible reactions and high yields in multi-step synthesis. The combination of halogenation and carbonyl functionality facilitates efficient library synthesis for pharmaceutical or material development, making it a reliable intermediate for research and industrial use.
Conclusion
2-Bromo-5-benzoylthiophene is a versatile intermediate with broad applications in pharmaceuticals, materials science, and agrochemical research. Its bromine and benzoyl functionalities, combined with the thiophene scaffold, enable selective chemical transformations and efficient synthesis of bioactive molecules and functional materials. By supporting structural diversification and optimization, it remains an essential building block for drug discovery, organic electronics, and advanced chemical synthesis.

