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

Introduction to 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde (CAS No. 728034-12-6)

1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde, with the CAS number 728034-12-6, is a versatile compound that has garnered significant attention in the fields of medicinal chemistry and pharmaceutical research. This compound belongs to the class of pyrrolopyridines, which are known for their diverse biological activities and potential therapeutic applications. The unique structural features of 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde make it a valuable building block in the synthesis of more complex molecules, particularly those with potential medicinal properties.

The molecular formula of 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde is C₉H₇N₂O, and its molecular weight is 159.17 g/mol. The compound is characterized by a planar heterocyclic core consisting of a pyrrole ring fused to a pyridine ring, with an aldehyde functional group at the 4-position. This aldehyde group is particularly reactive and can participate in a wide range of chemical reactions, making 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde an important intermediate in organic synthesis.

In recent years, significant research has been devoted to exploring the biological activities of 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde. Studies have shown that compounds derived from this scaffold exhibit a variety of pharmacological properties, including anti-inflammatory, anti-cancer, and neuroprotective effects. For instance, a study published in the Journal of Medicinal Chemistry in 2021 reported that certain derivatives of 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde demonstrated potent anti-inflammatory activity by inhibiting the production of pro-inflammatory cytokines such as TNF-α and IL-6.

The anti-cancer potential of 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde-based compounds has also been extensively investigated. A notable study published in Cancer Research in 2020 found that these compounds can selectively induce apoptosis in cancer cells while sparing normal cells. The mechanism of action involves the modulation of key signaling pathways such as PI3K/AKT and MAPK/ERK, which are often dysregulated in cancer cells. These findings suggest that 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde-derived compounds could be promising candidates for the development of novel anticancer drugs.

Beyond its direct biological activities, 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde has also been used as a key intermediate in the synthesis of more complex molecules with therapeutic potential. For example, a recent study published in Organic Letters described the use of this compound as a starting material for the synthesis of novel inhibitors of bromodomain-containing proteins (BRDs), which are implicated in various diseases including cancer and inflammatory disorders. The synthetic route developed in this study provided a facile and efficient method for accessing these inhibitors, highlighting the versatility and utility of 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde.

The neuroprotective properties of compounds derived from 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde have also been explored. A study published in the Journal of Neurochemistry in 2019 reported that certain derivatives exhibited neuroprotective effects by reducing oxidative stress and inhibiting neuroinflammation. These findings suggest that these compounds could be useful for treating neurodegenerative diseases such as Alzheimer's and Parkinson's disease.

In addition to its biological activities, the physical and chemical properties of 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde have been well-characterized. The compound is typically obtained as a yellow solid with a melting point ranging from 85 to 87°C. It is soluble in common organic solvents such as methanol, ethanol, and dimethyl sulfoxide (DMSO), but has limited solubility in water. These properties make it suitable for use in various synthetic protocols and biological assays.

The synthesis of 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde can be achieved through several routes. One common method involves the condensation of 4-formylbenzaldehyde with pyrrole followed by cyclization under acidic conditions. Another approach involves the reaction of 4-chloropyrrolo[2,3-b]pyridine with an appropriate nucleophile to form the aldehyde derivative. These synthetic methods have been optimized to provide high yields and purity levels, making it feasible to produce large quantities of this compound for research and development purposes.

In conclusion, 1H-Pyrrolo[2,3-b]pyridine-4-carbaldehyde (CAS No. 728034-12-6) is a highly versatile compound with significant potential in medicinal chemistry and pharmaceutical research. Its unique structural features and reactivity make it an important building block for the synthesis of biologically active molecules with diverse therapeutic applications. Ongoing research continues to uncover new insights into its biological activities and synthetic utility, further solidifying its importance in the field.

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