An oxidative coupling of NH‐sulfoximines and arylsulfinates catalyzed by of I2 and H2O2 affords N‐sulfonyl sulfoximines. The reaction proceeds under aerobic conditions in water at room temperature. The merits of this protocol include mild metal‐free reaction conditions, a green and cheap solvent, safe and simple operation, good yields, and a wide substrate scope.

A new synthetic method for the synthesis of Nphosphinyl sulfoximines that proceeds by an I 2 -catalyzed oxidative NÀ P cross-coupling reaction has been developed. N-phosphinylated sulfoximines are synthesized from sulfoximines and diarylphosphine oxides using 10 mol% I 2 as a catalyst, one equiv. H 2 O 2 as a green oxidant and PEG400 as a greener solvent. Chirality of S-methyl-S-phenylsulfoximine is retained in the coupling products (100% ee).

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