For chemists and researchers engaged in organic synthesis, understanding the reactivity and utility of key intermediates is fundamental. 4-Bromonaphthalen-2-ol, with the CAS number 5498-31-7, is a prominent example of such a compound, offering a rich platform for diverse chemical transformations. This article explores its chemical characteristics and key applications, particularly within the pharmaceutical industry.

Chemical Structure and Reactivity of 4-Bromonaphthalen-2-ol

4-Bromonaphthalen-2-ol is characterized by a naphthalene core featuring a hydroxyl group at the 2-position and a bromine atom at the 4-position. Its molecular formula is C10H7BrO, and its molecular weight is approximately 223.07 g/mol. This structure endows the molecule with dual functionality. The hydroxyl group (-OH) is a nucleophilic site and can participate in reactions like etherification, esterification, and salt formation. The bromine atom (-Br) is an excellent leaving group, making the molecule amenable to various substitution and coupling reactions, such as Suzuki, Sonogashira, or Buchwald-Hartwig cross-couplings.

The reactivity of 4-bromonaphthalen-2-ol makes it an attractive building block for synthesizing complex organic molecules. Researchers often seek information on “4-bromonaphthalen-2-ol reactions” or “synthesis of 4-bromo-2-naphthol derivatives” to explore its potential in creating novel compounds.

Applications in Pharmaceutical Synthesis and Beyond

The primary utility of 4-bromonaphthalen-2-ol lies in its role as a pharmaceutical intermediate. It is a key precursor for the synthesis of various Active Pharmaceutical Ingredients (APIs). Its naphthalene framework is a common structural motif in many biologically active compounds. For instance, it might be used in the synthesis of compounds that exhibit anti-inflammatory, antiviral, or anticancer properties, though specific applications depend on further functionalization.

Beyond pharmaceuticals, this compound can also find applications in the development of materials science, such as organic electronic materials or specialty dyes, where conjugated aromatic systems are desired. The bromine atom can facilitate polymerization or attachment to polymer backbones, while the hydroxyl group can influence solubility and intermolecular interactions.

Sourcing High-Quality 4-Bromonaphthalen-2-ol

For those looking to buy 4-bromonaphthalen-2-ol, sourcing from reputable manufacturers is critical, especially when purity requirements are stringent (e.g., 99%). Buyers often search for “best 4-bromonaphthalen-2-ol supplier” or “CAS 5498-31-7 bulk purchase” to find reliable partners. Leading chemical suppliers, including those in China, offer this intermediate, providing competitive pricing and consistent quality.

When selecting a supplier, always look for detailed product specifications, a Certificate of Analysis (COA), and responsive customer support. Understanding the synthesis routes and purification methods used by a manufacturer can also provide insights into the potential quality and consistency of the product. Access to samples is also a valuable tool for R&D teams to validate the suitability of 4-bromonaphthalen-2-ol for their specific projects.

In summary, 4-bromonaphthalen-2-ol is a versatile and important chemical intermediate. Its unique structural features and reactivity make it indispensable for various synthetic applications, particularly in the pharmaceutical sector. By understanding its chemistry and sourcing from reliable vendors, chemists can effectively leverage this compound in their research and development efforts.