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6-Hydroxy-2-Quinolinecarbonitrile (CAS No. 52313-34-5): Properties, Applications, and Market Insights

6-Hydroxy-2-Quinolinecarbonitrile (CAS No. 52313-34-5) is a specialized organic compound belonging to the quinoline family. This heterocyclic molecule features a hydroxyl group at the 6-position and a cyano group at the 2-position, making it a valuable intermediate in pharmaceutical and material science research. With the increasing demand for quinoline derivatives in drug discovery and functional materials, this compound has gained significant attention in recent years.

The molecular structure of 6-hydroxy-2-quinolinecarbonitrile combines the aromatic properties of quinoline with the reactivity of both hydroxyl and nitrile functional groups. This unique combination enables diverse chemical transformations, particularly in the synthesis of more complex heterocyclic systems. Researchers are particularly interested in its potential as a building block for fluorescent probes and pharmaceutical intermediates, especially in the development of kinase inhibitors and antimicrobial agents.

From a synthetic chemistry perspective, 52313-34-5 serves as a versatile precursor. The hydroxyl group allows for easy functionalization through etherification or esterification reactions, while the nitrile group can be converted to various other functional groups including carboxylic acids, amides, or tetrazoles. This flexibility makes it particularly valuable in medicinal chemistry where structural diversity is crucial for biological activity optimization.

In material science applications, 6-hydroxy-2-quinolinecarbonitrile has shown promise in the development of organic electronic materials. Its conjugated π-system combined with hydrogen-bonding capability makes it interesting for designing molecular sensors and organic semiconductors. Recent studies have explored its use in metal-organic frameworks (MOFs) and as a ligand for transition metal complexes with potential catalytic applications.

The global market for quinoline derivatives like 6-hydroxy-2-quinolinecarbonitrile has been growing steadily, driven by pharmaceutical R&D and specialty chemical demand. Asia-Pacific region, particularly China and India, has emerged as major production hubs due to their strong chemical manufacturing infrastructure. Quality standards for this compound typically require ≥98% purity for research applications, with HPLC and NMR being the primary analytical methods for verification.

From an environmental and safety perspective, proper handling procedures should be followed when working with 52313-34-5, including the use of personal protective equipment in laboratory settings. While not classified as highly hazardous, standard precautions for handling nitrile-containing compounds should be observed. The compound shows good stability under normal storage conditions (room temperature, protected from moisture), making it convenient for research and industrial applications.

Recent scientific literature highlights several innovative applications of 6-hydroxy-2-quinolinecarbonitrile. In drug discovery, it has been used as a scaffold for developing potential anticancer agents targeting specific protein kinases. Its fluorescence properties have been exploited in designing bioimaging probes for cellular studies. Additionally, materials scientists have incorporated this building block into novel polymers with interesting optoelectronic properties.

The synthesis of 6-hydroxy-2-quinolinecarbonitrile typically involves cyclization reactions starting from appropriately substituted aniline derivatives. Process optimization continues to be an area of active research, with recent efforts focusing on greener synthetic routes using catalytic methods and minimizing organic solvent usage. These developments align with the growing emphasis on sustainable chemistry in the pharmaceutical and chemical industries.

Analytical characterization of 52313-34-5 employs standard techniques including mass spectrometry, infrared spectroscopy, and X-ray crystallography for structural confirmation. The compound's purity is particularly important for pharmaceutical applications, where even minor impurities can affect biological testing results. Advanced purification methods such as preparative HPLC or recrystallization from suitable solvents are commonly employed.

Looking forward, the applications of 6-hydroxy-2-quinolinecarbonitrile are expected to expand further. Emerging research areas include its potential use in metal-ion sensors for environmental monitoring, as a component in organic light-emitting diodes (OLEDs), and in the development of novel antimicrobial agents addressing drug resistance challenges. The compound's versatility ensures it will remain an important tool for chemists across multiple disciplines.

For researchers sourcing 6-hydroxy-2-quinolinecarbonitrile, quality consistency and reliable supply are key considerations. Reputable chemical suppliers typically provide comprehensive technical data including solubility information, spectral data, and safety documentation. Custom synthesis options are also available for researchers requiring specific isotopic labeling or structural modifications of this valuable quinoline derivative.

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