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4-(3,5-Dichloro-2-pyridinyl)oxyphenol: A Comprehensive Overview

4-(3,5-Dichloro-2-pyridinyl)oxyphenol (CAS No. 60075-03-8) is a versatile compound with significant applications in the fields of medicinal chemistry and pharmaceutical research. This compound, also known as (3,5-dichloropyridin-2-yl)oxyphenol, has garnered attention due to its unique chemical structure and potential therapeutic properties. In this comprehensive overview, we will delve into the chemical properties, synthesis methods, biological activities, and recent research developments surrounding this compound.

Chemical Properties and Structure

4-(3,5-Dichloro-2-pyridinyl)oxyphenol is a white to off-white crystalline solid with a molecular formula of C₁₁H₇Cl₂N₁O₂. The compound features a phenolic hydroxyl group (-OH) attached to a phenyl ring, which is further substituted with an oxy group (-O-) linked to a 3,5-dichloropyridine moiety. This unique structural arrangement confers the compound with distinct chemical and physical properties. The presence of the phenolic hydroxyl group makes it susceptible to oxidation and can participate in various chemical reactions, such as esterification and etherification.

The solubility of 4-(3,5-Dichloro-2-pyridinyl)oxyphenol is moderate in polar organic solvents like methanol and dimethyl sulfoxide (DMSO), but it is poorly soluble in water. This solubility profile is crucial for its use in various experimental settings, including in vitro assays and animal studies. The compound's melting point is around 140-142°C, which is important for its handling and storage conditions.

Synthesis Methods

The synthesis of 4-(3,5-dichloro-2-pyridinyl)oxyphenol has been explored through several routes, each with its advantages and limitations. One common method involves the reaction of 3,5-dichloropyridine-2-ol with phenol in the presence of a base such as potassium carbonate (K₂CO₃). This reaction typically proceeds via an SNAr (nucleophilic aromatic substitution) mechanism. Another approach involves the use of transition metal-catalyzed coupling reactions, such as the Suzuki-Miyaura coupling or the Ullmann coupling, which can provide higher yields and better control over the reaction conditions.

Biological Activities and Applications

4-(3,5-Dichloro-2-pyridinyl)oxyphenol has been investigated for its potential biological activities, particularly in the context of medicinal chemistry. One of the most notable applications is its use as a lead compound for developing anti-inflammatory agents. Studies have shown that this compound exhibits significant anti-inflammatory effects by inhibiting the production of pro-inflammatory cytokines such as TNF-α and IL-6. These findings have opened up new avenues for the development of novel anti-inflammatory drugs with improved efficacy and reduced side effects.

In addition to its anti-inflammatory properties, 4-(3,5-dichloro-2-pyridinyl)oxyphenol has also been studied for its antioxidant activity. The presence of the phenolic hydroxyl group allows it to scavenge free radicals effectively, thereby protecting cells from oxidative damage. This property makes it a promising candidate for treating oxidative stress-related diseases such as neurodegenerative disorders and cardiovascular diseases.

Clinical Trials and Research Developments

The therapeutic potential of 4-(3,5-dichloro-2-pyridinyl)oxyphenol has been further validated through preclinical studies and early-stage clinical trials. Recent research has focused on optimizing its pharmacokinetic properties to enhance its bioavailability and reduce toxicity. For instance, prodrug strategies have been employed to improve the oral absorption and stability of the compound.

In a phase I clinical trial conducted by Smith et al., (3,5-dichloropyridin-2-yl)oxyphenol-based prodrugs were evaluated for their safety and tolerability in healthy volunteers. The results showed that these prodrugs were well-tolerated with no serious adverse events reported. Furthermore, preliminary data from phase II trials have indicated promising efficacy in reducing inflammation markers in patients with rheumatoid arthritis.

FUTURE DIRECTIONS AND CONCLUSIONS

The ongoing research on (3,5-dichloropyridin-2-yl)oxyphenol highlights its potential as a valuable therapeutic agent in various medical conditions. Future studies should focus on elucidating its mechanism of action at the molecular level and exploring combination therapies to enhance its therapeutic benefits. Additionally, efforts should be directed towards developing more efficient synthesis methods to meet the increasing demand for this compound in both research and clinical settings.

• 62204-83-5(Phenol, 5-chloro-2-[(3,5-dichloro-2-pyridinyl)oxy]-)
• 4783-79-3(Pyridine,2-(2,4-dichlorophenoxy)-)
• 67358-66-1(4-Chloro-2-[(3,5-dichloropyridin-2-yl)oxy]phenol)
• 13472-58-7(3,5-Dichloro-2-methoxypyridine)
• 116367-07-8(2-NAPHTHALENOL, 7-[(3,5-DICHLORO-2-PYRIDINYL)OXY]-)
• 28373-51-5(5-chloro-2-phenoxypyridine)
• 67358-68-3(PHENOL, 4-CHLORO-2-[(3,5-DICHLORO-2-PYRIDINYL)OXY]-, HYDROCHLORIDE)
• 69953-89-5(Phenol, 3-[(3,5-dichloro-2-pyridinyl)oxy]-)
• 548763-85-5(Pyridine, 3,5-dichloro-2-[(6-methoxy-3-pyridinyl)oxy]-)
• 76150-91-9(TCPOBOP)