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

4,6-Dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine (CAS No. 1638771-16-0): An Overview of Its Structure, Synthesis, and Applications in Medicinal Chemistry

4,6-Dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine (CAS No. 1638771-16-0) is a versatile compound that has garnered significant attention in the field of medicinal chemistry due to its unique structural properties and potential biological activities. This compound belongs to the class of pyrrolopyridines, which are known for their diverse biological activities and applications in drug discovery. In this article, we will delve into the structure, synthesis, and potential applications of 4,6-dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine.

Structure and Physical Properties

The molecular formula of 4,6-dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine is C₉H₇Cl₂N₂, with a molecular weight of 208.07 g/mol. The compound features a pyrrolopyridine core with two chlorine atoms at the 4 and 6 positions and a methyl group at the 1 position. The presence of these substituents imparts unique chemical and physical properties to the molecule. The compound is typically obtained as a white crystalline solid and is soluble in common organic solvents such as dimethyl sulfoxide (DMSO) and dimethylformamide (DMF).

Synthesis

The synthesis of 4,6-dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine has been reported using various methodologies. One common approach involves the reaction of 4,6-dichloropyridin-3(2H)-one with methylamine in the presence of a suitable base such as potassium carbonate. This reaction proceeds via a condensation step followed by cyclization to form the pyrrolopyridine ring. Another method involves the reaction of 4,6-dichloropyridine-3-carbaldehyde with methylamine hydrochloride in the presence of a reducing agent like sodium borohydride.

A recent study published in the Journal of Organic Chemistry (2022) reported an efficient one-pot synthesis of 4,6-dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine using microwave-assisted conditions. This method significantly reduced the reaction time and improved the yield compared to traditional methods. The use of microwave technology in organic synthesis has gained popularity due to its ability to enhance reaction rates and selectivity.

Biological Activities and Applications

4,6-Dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine has been investigated for its potential biological activities in various therapeutic areas. One notable application is its use as a scaffold for the development of anticancer agents. A study published in Bioorganic & Medicinal Chemistry Letters (2020) demonstrated that derivatives of 4,6-dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine exhibited potent antiproliferative activity against several cancer cell lines, including lung cancer and breast cancer cells.

The mechanism of action for these compounds was found to involve inhibition of key signaling pathways involved in cell proliferation and survival. Specifically, some derivatives were shown to inhibit the activity of protein kinases such as PI3K/Akt and MAPK/ERK pathways. These findings highlight the potential of 4,6-dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine-based compounds as lead molecules for further drug development.

In addition to its anticancer properties, 4,6-dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine has also been explored for its anti-inflammatory effects. A study published in European Journal of Medicinal Chemistry (2021) reported that certain derivatives exhibited significant anti-inflammatory activity by inhibiting the production of pro-inflammatory cytokines such as TNF-α and IL-6 in lipopolysaccharide (LPS)-stimulated macrophages.

The anti-inflammatory potential of these compounds suggests their possible use in treating inflammatory diseases such as rheumatoid arthritis and inflammatory bowel disease. Further research is needed to optimize these compounds for clinical applications.

Clinical Trials and Future Prospects

To date, there have been no clinical trials specifically focused on 4,6-dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine. However, several preclinical studies have provided promising results that warrant further investigation. The development of novel derivatives with enhanced potency and selectivity is an active area of research.

In conclusion, 4,6-dichloro-1-methyl-1H-pyrrolo[2,3-b]pyridine (CAS No. 1638771-16-0) is a promising compound with diverse biological activities and potential applications in medicinal chemistry. Its unique structural features make it an attractive scaffold for the development of new therapeutic agents. Ongoing research efforts aim to optimize its properties for specific therapeutic targets and advance it towards clinical evaluation.

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