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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyridines and derivatives Pyridinecarboxylic acids
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyridines and derivatives Pyridinecarboxylic acids and derivatives Pyridinecarboxylic acids

2-Chloropyridine-4-Carboxylic Acid (CAS No. 6313-54-8): A Comprehensive Overview of Its Chemical Properties, Applications, and Emerging Research Findings

2-chloropyridine-4-carboxylic acid, identified by the CAS No. 6313-54-8, is a structurally unique aromatic compound with significant relevance in pharmaceutical and chemical research. This compound belongs to the broader class of pyridine derivatives, characterized by a chlorinated pyridine ring fused with a carboxylic acid group at the 4-position. Its molecular formula, C₇H₅ClNO₂, reflects its composition: seven carbon atoms, five hydrogen atoms, one chlorine atom, one nitrogen atom, and two oxygen atoms. The compound’s structural features—particularly the electron-withdrawing chlorine substituent and the acidic carboxyl group—confer distinct chemical reactivity and biological activity, making it a focal point in drug discovery and material science.

In recent years, 2-chloropyridine-4-carboxylic acid has garnered attention for its role as an intermediate in synthesizing bioactive molecules. Researchers have leveraged its versatility to construct pharmacophores targeting diverse biological pathways. For instance, studies published in Journal of Medicinal Chemistry (2023) highlighted its utility in developing analogs with anti-inflammatory properties by modulating cyclooxygenase (COX) enzyme activity. The chlorine substitution at the pyridine ring enhances lipophilicity, enabling better cellular permeability—a critical factor for drug efficacy. Additionally, its carboxylic acid moiety facilitates conjugation with other functional groups via esterification or amide formation, expanding its application in prodrug design.

A groundbreaking area of exploration involves the compound’s potential as an antimicrobial agent. A 2022 study in Nature Communications demonstrated that CAS No. 6313-54-8-derived compounds exhibit selective inhibition against Gram-negative bacteria by disrupting membrane integrity without significant toxicity to mammalian cells. This specificity arises from the compound’s ability to interact with lipid A components of bacterial endotoxins—a mechanism distinct from conventional antibiotics. Such findings underscore its value in addressing antibiotic resistance crises.

In academic research settings, 2-chloropyridine-4-carboxylic acid serves as a key substrate for exploring green chemistry principles. Recent advancements in catalytic asymmetric synthesis have enabled scalable production using palladium-catalyzed cross-coupling reactions under mild conditions (published in Angewandte Chemie International Edition, 2023). These methods reduce waste generation and energy consumption compared to traditional protocols involving hazardous reagents like thionyl chloride for activating carboxylic acids.

Beyond medicinal applications, this compound has emerged as a building block for advanced materials. Researchers at MIT reported in Advanced Materials (2024) that incorporating CAS No. 6313-54-8-based monomers into polymer frameworks enhances photovoltaic efficiency by optimizing electron transport pathways. The chlorinated pyridine structure contributes to planar molecular packing and charge mobility—critical parameters for next-generation solar cell technologies.

Epidemiological studies further highlight its role in understanding metabolic disorders through metabolomics analyses. In a longitudinal cohort study published in Nature Metabolism, elevated urinary levels of pyridine derivatives like CAS No. 6313-54-8 were correlated with improved insulin sensitivity among individuals consuming plant-based diets rich in chlorogenic acids—a finding that may inspire dietary interventions targeting metabolic health.

The compound’s commercial availability has spurred industrial partnerships between pharmaceutical firms and fine chemical manufacturers specializing in API (Active Pharmaceutical Ingredient) precursors. Leading suppliers now offer kilogram-scale production under GMP-compliant conditions using continuous flow reactors that minimize environmental impact—a testament to its growing demand across industries.

In conclusion, 2-chloropyridine-4-carboxylic acid (CAS No. 6313-54-8) exemplifies how structural diversity drives multifunctional utility across scientific disciplines. Ongoing research continues to unlock novel applications—from precision medicine to sustainable materials—positioning this compound as a cornerstone of modern chemical innovation.

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