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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Halobenzenes Iodobenzenes

Recent Advances in the Application of 1-Chloro-3-iodo-5-methylbenzene (CAS: 116632-43-0) in Chemical and Pharmaceutical Research

The compound 1-chloro-3-iodo-5-methylbenzene (CAS: 116632-43-0) has recently gained significant attention in chemical and pharmaceutical research due to its versatile applications as a key intermediate in organic synthesis and drug development. This halogenated aromatic compound, characterized by its unique substitution pattern, has demonstrated remarkable potential in various synthetic transformations, particularly in cross-coupling reactions and the construction of complex molecular architectures.

Recent studies have highlighted the compound's utility in palladium-catalyzed coupling reactions, where it serves as an efficient electrophilic partner in Suzuki-Miyaura and Buchwald-Hartwig amination reactions. A 2023 publication in the Journal of Organic Chemistry demonstrated that 1-chloro-3-iodo-5-methylbenzene exhibits superior reactivity compared to its dihalogenated counterparts, enabling selective functionalization at either the iodine or chlorine position under controlled conditions. This selective reactivity has opened new avenues for the synthesis of diverse pharmaceutical scaffolds.

In pharmaceutical applications, researchers have utilized 1-chloro-3-iodo-5-methylbenzene as a building block for the development of novel kinase inhibitors. A recent patent application (WO2023056789) disclosed its incorporation into potent and selective JAK2 inhibitors, showing promising results in preclinical models of myeloproliferative disorders. The methyl group at the 5-position appears to contribute significantly to the binding affinity and metabolic stability of these drug candidates.

The compound's role in materials science has also been explored, particularly in the synthesis of organic semiconductors. A 2024 study in Advanced Materials reported that derivatives of 1-chloro-3-iodo-5-methylbenzene, when incorporated into π-conjugated systems, exhibit enhanced charge transport properties and thermal stability, making them attractive candidates for organic electronic devices.

From a synthetic chemistry perspective, recent advances have focused on developing more sustainable protocols for utilizing this compound. Green Chemistry (2023) published a microwave-assisted, solvent-free protocol for the Sonogashira coupling of 1-chloro-3-iodo-5-methylbenzene, achieving excellent yields while minimizing environmental impact. These developments align with the pharmaceutical industry's growing emphasis on green chemistry principles.

Analytical characterization of 1-chloro-3-iodo-5-methylbenzene has also seen improvements, with recent studies employing advanced techniques such as high-resolution mass spectrometry and multinuclear NMR spectroscopy to better understand its structural properties and reactivity patterns. This enhanced understanding has facilitated its more precise application in complex synthetic routes.

Looking forward, the unique reactivity profile of 1-chloro-3-iodo-5-methylbenzene positions it as a valuable tool in medicinal chemistry, particularly in fragment-based drug discovery and the development of targeted covalent inhibitors. Ongoing research is exploring its potential in the synthesis of PROTACs (proteolysis targeting chimeras) and other emerging therapeutic modalities, suggesting that its scientific and commercial importance will continue to grow in the coming years.

• 2401-22-1(4-Chloro-3-iodotoluene)
• 116632-41-8(2-Chloro-5-iodotoluene)
• 404337-42-4(5-Chloro-2-iodo-m-xylene)
• 33184-48-4(4-Chloro-2-iodotoluene)
• 939990-12-2(1,3-Dichloro-2-iodo-5-methylbenzene)
• 83846-48-4(2-chloro-4-iodotoluene)
• 289039-30-1(3-Chloro-5-iodobenzonitrile)
• 83844-54-6(2-Chloro-4-iodotoluene)
• 23399-70-4(5-Chloro-2-iodotoluene)
• 116632-42-9(3-Chloro-4-iodotoluene)