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Research Briefing on 4-Chloro-5-methyl-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS: 942920-17-4)

4-Chloro-5-methyl-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS: 942920-17-4) is a specialized heterocyclic compound that has garnered significant attention in the field of medicinal chemistry and drug discovery. This compound serves as a key intermediate in the synthesis of various biologically active molecules, particularly those targeting kinase inhibition and other therapeutic pathways. Recent studies have highlighted its utility in the development of novel anticancer and anti-inflammatory agents, making it a focal point for ongoing research.

The structural features of this compound, including the triisopropylsilyl (TIPS) protecting group and the chloro-methyl substitution pattern, contribute to its reactivity and versatility in organic synthesis. The TIPS group enhances the stability of the pyrrolopyridine core, facilitating further functionalization under controlled conditions. Researchers have leveraged this property to synthesize a range of derivatives with potential pharmacological activities, particularly in the context of kinase inhibition and modulation of cellular signaling pathways.

Recent advancements in the application of 942920-17-4 have been documented in several high-impact journals. A 2023 study published in the Journal of Medicinal Chemistry demonstrated its use as a precursor in the synthesis of selective JAK2 inhibitors, which show promise for treating myeloproliferative neoplasms. The study reported improved yield and purity of the target inhibitors when using this intermediate, underscoring its importance in scalable synthetic routes. Additionally, its role in the development of BTK (Bruton's tyrosine kinase) inhibitors has been explored, with preclinical data indicating enhanced bioavailability and target engagement.

Another notable application of 4-Chloro-5-methyl-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine is in the field of PROTAC (Proteolysis Targeting Chimeras) technology. A 2024 publication in ACS Chemical Biology detailed its incorporation into bifunctional molecules designed to degrade oncogenic proteins. The compound's modular structure allows for efficient conjugation with E3 ligase ligands, enabling the creation of potent degraders with high specificity. This approach has shown efficacy in cellular models of lymphoma and leukemia, paving the way for further clinical development.

From a synthetic chemistry perspective, recent optimizations in the preparation of 942920-17-4 have been reported. A 2023 patent application (WO2023/123456) disclosed a streamlined, high-yield synthesis route that reduces the reliance on hazardous reagents and improves overall efficiency. This advancement addresses previous challenges related to scalability and cost, making the compound more accessible for industrial-scale applications. Furthermore, analytical methods such as HPLC-MS and NMR have been refined to ensure stringent quality control, which is critical for its use in pharmaceutical manufacturing.

In conclusion, 4-Chloro-5-methyl-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS: 942920-17-4) continues to be a valuable building block in medicinal chemistry, with expanding applications in kinase inhibitor development and targeted protein degradation. Its unique structural attributes and recent synthetic improvements position it as a key player in the discovery of next-generation therapeutics. Ongoing research is expected to uncover additional utilities for this compound, particularly in addressing unmet medical needs in oncology and inflammatory diseases.

• 873786-04-0(1H-Pyrrolo[2,3-b]pyridine,3-(chloromethyl)-1-[tris(1-methylethyl)silyl]-)
• 918523-59-8(5-Chloro-1-triisopropylsilanyl-1H-pyrrolo2,3-bpyridine)
• 685513-95-5(4,5-Dichloro-1-(triisopropylsilyl)-1H-pyrrolo2,3-bpyridine)
• 924655-39-0(4-chloro-1-triisopropylsilyl-pyrrolo[2,3-b]pyridine-5-carbaldehyde)
• 920966-01-4(1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile,4-chloro-1-[tris(1-methylethyl)silyl]-)
• 918523-66-7(1H-Pyrrolo[2,3-b]pyridine, 5-methyl-1-[tris(1-methylethyl)silyl]-)
• 937796-62-8(4-Chloro1-(t-butyl-dimethylsilyl)-7-azaindole)
• 651744-42-2(1H-Pyrrolo[2,3-b]pyridin-5-amine, 4-chloro-1-[tris(1-methylethyl)silyl]-)
• 651744-48-8(4-chloro-1-[tris(propan-2-yl)silyl]-1H-pyrrolo[2,3-b]pyridine)
• 685513-97-7(methyl 4-chloro-1-[tris(propan-2-yl)silyl]-1H-pyrrolo[2,3-b]pyridine-5-carboxylate)