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Nucleophilic Iododifluoromethylation of Carbonyl Compounds Using Difluoromethyl 2‑Pyridyl Sulfone

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Figshare2016-05-27 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Nucleophilic_Iododifluoromethylation_of_Carbonyl_Compounds_Using_Difluoromethyl_2_Pyridyl_Sulfone/3384898
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A new, efficient method for iodo­difluoro­methylation of carbonyl compounds utilizing difluoromethyl 2-pyridyl sulfone (2-PySO2CF2H) is described. This transformation is achieved by a nucleophilic addition of 2-PySO2CF2H with carbonyl compounds and a subsequent iodination of sulfinate, which is generated in situ by a novel zinc-mediated depyridination reaction. The method employs mild reaction conditions, exhibits excellent functional-group tolerance, and can be used in the synthesis of various iododifluoro­methylated carbinols.
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2016-05-27
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