Journal
CHEMISTRY LETTERS
Volume 49, Issue 11, Pages 1382-1385Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.200530
Keywords
Sulfones; Phosphonium salts; Radicals
Categories
Funding
- JSPS KAKENHI [15H05756, 20H04816]
- Grants-in-Aid for Scientific Research [20H04816] Funding Source: KAKEN
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A new synthetic method for alkyl sulfones through C-C bond formation between alkenes and tosylmethylphosphonium iodide is reported. A tosylmethyl radical is generated from the phosphonium iodide under irradiation of visible light with the aid of fac-Ir(ppy)(3). It undergoes regioselective 1,2-addition across the carbon-carbon double bond to afford an elongated alkyl radical, which abstracts a hydrogen atom from C6F5SH, producing an alkyl sulfone with one-carbon extension.
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