Abstract
AbstractMn(OAc)3‐mediated sulfonylation of vinyl azides with the use of sodium sulfinates was developed. As a result, N‐enaminosulfones are formed in high yields. The reaction proceeds through the generation of sulfonyl radical, its addition to the double bond of vinyl azide resulting in elimination of N2 molecule and formation of iminyl radical, which is converted on the final step to the desired product. One of the main features of the developed process is application of substoichiometric amount of Mn(OAc)3 due to participation of the generated iminyl radical in the oxidation of the starting sulfinate.
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