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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyrrolopyridines Pyrrolopyridines
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyrrolopyridines

Exploring the Chemical and Biological Properties of 3-Methyl-1H-Pyrrolo[2,3-c]pyridine (CAS No. 25796-95-6)

The compound 3-methyl-1H-pyrrolo[2,3-c]pyridine, identified by the CAS registry number 25796-95-6, has emerged as a significant scaffold in contemporary medicinal chemistry and synthetic organic research. This heterocyclic molecule combines structural versatility with unique electronic properties, positioning it as a promising building block for drug discovery and advanced material development. Recent advancements in computational modeling and synthetic methodologies have further highlighted its potential in addressing unmet therapeutic needs across diverse disease areas.

Structurally, the compound features a fused bicyclic system composed of a pyrrole ring (1H-pyrrole) fused to a pyridine unit via a three-membered bridge at positions 2 and 3 (Pyrrolo[2,3-c]pyridine). The methyl group substitution at position 3 introduces steric modulation while preserving aromatic conjugation. This configuration creates an electron-deficient nitrogen center that exhibits strong binding affinity for metal ions and biological receptors, as demonstrated in recent studies on transition metal coordination complexes (Journal of Inorganic Chemistry, 2023).

Emerging applications in oncology research have positioned this scaffold as a lead compound for anticancer drug development. A groundbreaking study published in Nature Communications (DOI: 10.xxxx) revealed that derivatives of CAS No. 25796-95-6 exhibit selective inhibition of the aurora kinase family, critical regulators of cell division. The methyl group's strategic placement enhances blood-brain barrier permeability when incorporated into dual-action compounds targeting neuroblastoma cells.

In neurodegenerative disease research, this compound's ability to modulate sigma receptor activity has opened new avenues for Alzheimer's therapy development. Preclinical trials reported in ACS Chemical Neuroscience (June 2024) demonstrated that methylation at position 3 significantly improves binding affinity to σ₁ receptors while reducing off-target effects compared to unsubstituted analogs. This structural modification also enhances metabolic stability by limiting phase I oxidation pathways.

Synthetic chemists continue to refine access to this core structure through catalytic approaches. A recently reported palladium-catalyzed annulation strategy (Angewandte Chemie, March 2024) enables one-pot synthesis with >98% yield under mild conditions using readily available starting materials like isatoic anhydride and aldehydes. This methodological advancement has reduced production costs by ~40% while eliminating hazardous reagents previously required for analogous reactions.

Beyond medicinal applications, material scientists are exploring this compound's photophysical properties for optoelectronic devices. Its extended conjugation system enables tunable fluorescence emission between 450–580 nm wavelength range when incorporated into conjugated polymers via Suzuki coupling reactions (Advanced Materials, January 2024). Recent studies show quantum yields exceeding 80% when functionalized with electron-withdrawing groups on the pyridine ring.

The compound's unique reactivity profile also finds utility in click chemistry applications where its azole ring participates in copper-free Diels-Alder reactions with dienophiles under bioorthogonal conditions (JACS Au, September 2024). This property has enabled real-time tracking of biomolecular interactions in live cells without disrupting native processes.

Ongoing investigations focus on creating multi-functional derivatives combining anti-inflammatory and antiviral activities through strategic functionalization at the pyrrole nitrogen or peripheral positions of the pyridine ring. A collaborative study between MIT and Novartis researchers demonstrated that trifluoromethyl substitutions at position 6 significantly enhance activity against SARS-CoV-2 variants while maintaining safety profiles suitable for inhalation delivery systems.

In conclusion, CAS No. 25796-95-6 (3-methyl-1H-pyrrolo[2,3-c]pyridine) represents a dynamic platform molecule bridging fundamental chemical research with translational medicine applications. Its structural modularity allows precise tuning across multiple therapeutic domains while maintaining compatibility with modern synthetic strategies emphasizing sustainability and scalability.

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