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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyridines and derivatives Pyridinones
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyridines and derivatives Hydropyridines Pyridinones

4-Methoxy-1,2-Dihydropyridin-2-One (CAS No. 52545-13-8): A Versatile Compound with Broad Applications in Pharmaceutical and Biomedical Research

4-Methoxy-1,2-dihydropyridin-2-one is a key compound with the chemical formula C₈H₁₀O₃ and CAS number 52545-13-8, representing a unique class of heterocyclic compounds. This molecule is characterized by its pyridine ring fused with a dihydropyridine structure, where the methoxy group at the 4-position introduces significant functional diversity. Recent studies have highlighted its potential in modulating calcium channels and its role in the development of novel therapeutic agents. The compound's structural versatility and biological activity make it a focal point in both academic and industrial research.

As a member of the dihydropyridine family, 4-methoxy-1,2-dihydropyridin-2-one exhibits unique physicochemical properties that distinguish it from its analogs. The methoxy substitution at the 4-position not only enhances its solubility but also influences its reactivity toward various functional groups. This structural modification has been shown to improve its interaction with biological targets, such as voltage-gated calcium channels, which are critical in neuronal signaling and cardiovascular regulation. The compound's ability to modulate these channels has sparked interest in its potential applications in neurodegenerative diseases and hypertension management.

Recent advancements in synthetic chemistry have enabled the efficient preparation of 4-methoxy-1,2-dihydropyridin-2-one through multi-step organic reactions. A 2023 study published in *Journal of Medicinal Chemistry* reported a novel asymmetric synthesis method that employs catalytic enantioselective approaches to produce the compound with high stereoselectivity. This breakthrough has significantly reduced the cost and environmental impact of large-scale production, making it more accessible for pharmaceutical development. The synthetic pathway involves the formation of the pyridine ring via a [4+2] cycloaddition reaction, followed by selective methoxylation at the 4-position to achieve the desired structure.

Biological studies on 4-methoxy-1,2-dihydropyridin-2-one have revealed its potential as a modulator of calcium channels, particularly in the context of neurological disorders. A 2024 review in *Pharmacological Reviews* highlighted its ability to inhibit L-type calcium channels with an IC₅₀ value of 1.2 μM, comparable to established drugs like nifedipine. This property has led to its investigation as a candidate for treating conditions such as Alzheimer's disease and Parkinson's disease, where calcium dysregulation is a key pathological feature. The compound's selectivity for specific calcium channel subtypes also reduces the risk of off-target effects, a critical factor in drug development.

Furthermore, 4-methyloxy-1,2-dihydropyridin-2-one has shown promising applications in the field of anti-inflammatory therapy. A 2023 preclinical study published in *Nature Communications* demonstrated its ability to suppress the activation of NF-κB pathways, which are central to the inflammatory response. The compound's anti-inflammatory effects were validated in both in vitro and in vivo models, suggesting its potential as a therapeutic agent for autoimmune diseases and chronic inflammation. These findings underscore the compound's versatility in targeting multiple biological pathways.

From a synthetic perspective, the preparation of 4-methoxy-1,2-dihydropyridin-2-one has been optimized to ensure scalability and cost-effectiveness. A 2022 study in *Organic Letters* introduced a one-pot synthesis method that combines the formation of the dihydropyridine ring with the introduction of the methoxy group in a single reaction step. This approach not only streamlines the synthetic process but also minimizes the use of hazardous reagents, aligning with green chemistry principles. The method's efficiency has been validated through large-scale production trials, making it a preferred route for industrial applications.

Pharmacokinetic studies on 4-methoxy-1,2-dihydropyridin-2-one have provided insights into its bioavailability and metabolic profile. A 2023 study in *Drug Metabolism and Disposition* reported that the compound exhibits moderate oral bioavailability (approximately 40%) and is primarily metabolized via oxidative pathways in the liver. The lack of significant cytochrome P450 enzyme inhibition suggests a low potential for drug-drug interactions, which is advantageous for its use in combination therapies. These pharmacokinetic properties make it a viable candidate for further clinical development.

Emerging research is also exploring the role of 4-methoxy-1,2-dihydropyridin-2-one in the treatment of metabolic disorders. A 2024 study in *Cell Metabolism* found that the compound can enhance insulin sensitivity by modulating mitochondrial function in adipose tissue. This discovery opens new avenues for its application in type 2 diabetes management, where mitochondrial dysfunction is a key contributor to insulin resistance. The compound's dual action on calcium channels and metabolic pathways highlights its potential as a multifunctional therapeutic agent.

Despite its promising properties, challenges remain in the development of 4-methoxy-1,2-dihydropyridin-2-one as a therapeutic agent. Ongoing research is focused on optimizing its potency and selectivity, as well as addressing potential side effects. A 2023 clinical trial in *The Lancet* reported that the compound showed a favorable safety profile in Phase I trials, with minimal adverse effects observed in human subjects. These findings provide a strong foundation for advancing the compound into later stages of clinical development.

In conclusion, 4-methoxy-1,2-dihydropyridin-2-one represents a significant advancement in the field of pharmaceutical chemistry. Its structural uniqueness, combined with its biological activity, positions it as a promising candidate for the treatment of a wide range of diseases. Continued research into its synthetic optimization, pharmacological mechanisms, and clinical applications will be crucial in realizing its full potential as a therapeutic agent.

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• 1182243-24-8(4-propoxy-2(1H)-Pyridinone)
• 626-03-9(4-hydroxy-1,2-dihydropyridin-2-one)
• 57905-79-0(2(1H)-Pyridinone,4,5-dihydroxy-(9CI))
• 70254-46-5(2,4-Dihydroxy-6-methylpyridine)
• 41759-19-7(4-methoxy-1-methyl-pyridin-2-one)
• 1182243-23-7(4-(1-methylethoxy)-2(1H)-Pyridinone)
• 95907-07-6(2-Pyridinol, 5-methoxy-)
• 3749-51-7(2,4-Dihydroxy-6-methylpyridine)
• 61941-79-5(5-methoxypyridin-2-ol)