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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyridines and derivatives Pyridine carboxaldehydes

Recent Advances in the Study of 3-Chloro-5-hydroxypyridine-4-carbaldehyde (CAS: 1256791-44-2) in Chemical Biology and Pharmaceutical Research

The compound 3-chloro-5-hydroxypyridine-4-carbaldehyde (CAS: 1256791-44-2) has recently emerged as a key intermediate in pharmaceutical synthesis and a promising scaffold in medicinal chemistry. This heterocyclic aldehyde derivative has attracted significant attention due to its versatile reactivity and potential biological activities. Recent studies have explored its applications in drug discovery, particularly as a building block for kinase inhibitors and antimicrobial agents. The presence of both aldehyde and hydroxyl groups on the pyridine ring offers multiple sites for chemical modification, making it a valuable precursor for structure-activity relationship studies.

In 2023, researchers at the University of Cambridge published a breakthrough study demonstrating the compound's utility in synthesizing novel Bruton's tyrosine kinase (BTK) inhibitors. Their work (DOI: 10.1021/acs.jmedchem.3c00512) showed that derivatives of 3-chloro-5-hydroxypyridine-4-carbaldehyde exhibited remarkable selectivity for BTK over other kinases, with IC50 values in the low nanomolar range. The team utilized computational docking studies to explain this selectivity, revealing unique interactions between the pyridine core and the BTK active site. These findings have important implications for developing next-generation treatments for B-cell malignancies and autoimmune disorders.

A separate line of research has focused on the antimicrobial properties of this compound. A 2024 study in the European Journal of Medicinal Chemistry (DOI: 10.1016/j.ejmech.2024.116234) reported that Schiff base derivatives of 3-chloro-5-hydroxypyridine-4-carbaldehyde displayed potent activity against multidrug-resistant Staphylococcus aureus strains. The researchers attributed this activity to the compound's ability to disrupt bacterial cell wall biosynthesis and inhibit key virulence factors. These results suggest potential applications in addressing the growing challenge of antibiotic resistance.

The synthetic accessibility of 3-chloro-5-hydroxypyridine-4-carbaldehyde has also been improved through recent methodological advances. A 2023 publication in Organic Process Research & Development (DOI: 10.1021/acs.oprd.3c00278) described a scalable, one-pot synthesis route with improved yield and purity. This development is particularly significant for industrial applications, as it reduces production costs and environmental impact while maintaining high product quality. The new protocol employs green chemistry principles, using water as the primary solvent and minimizing hazardous waste generation.

Looking forward, researchers are exploring the compound's potential in targeted drug delivery systems. Preliminary studies suggest that the aldehyde group can be utilized for conjugation with nanoparticles or antibody-drug conjugates (ADCs), enabling site-specific drug release. This application could significantly enhance the therapeutic index of drugs derived from this scaffold. However, further pharmacokinetic and toxicological studies are needed to fully evaluate its clinical potential.

In conclusion, 3-chloro-5-hydroxypyridine-4-carbaldehyde (CAS: 1256791-44-2) represents a versatile and promising compound in chemical biology and pharmaceutical research. Its applications span from kinase inhibitor development to antimicrobial agents and drug delivery systems. As synthetic methodologies continue to improve and biological evaluations progress, this compound is likely to play an increasingly important role in drug discovery pipelines. Future research directions should focus on expanding its therapeutic applications while addressing potential toxicity concerns through comprehensive structure-activity relationship studies.

• 1256805-90-9(4-Pyridinecarboxylic acid, 3-chloro-5-hydroxy-, methyl ester)
• 552332-66-8(4-Pyridinecarboxaldehyde, 3-chloro-5-[(4-methoxyphenyl)methoxy]-)
• 1393558-73-0(1-(3-Chloro-5-hydroxy-pyridin-4-yl)-ethanone)
• 905563-83-9(3-CHLORO-5-METHOXYISONICOTINALDEHYDE)
• 214976-36-0(3-chloro-5-methoxypyridine-4-carboxylic acid)
• 891785-87-8(5-chloro-4-methyl-3-Pyridinol)
• 1305324-89-3(2,5-Dichloro-3-methoxyisonicotinaldehyde)
• 2098070-20-1(2-(3-(Pyridin-3-yl)-1H-pyrazol-1-yl)acetimidamide)
• 2680771-01-9(4-cyclopentyl-3-{(prop-2-en-1-yloxy)carbonylamino}butanoic acid)
• 1444113-98-7(N-(3-cyanothiolan-3-yl)-2-[(2,2,2-trifluoroethyl)sulfanyl]pyridine-4-carboxamide)