Abstract

AbstractThe previously developed stereoselective [3+2] cycloaddition between N‐tert‐butanesulfinyl ketimines and arynes has been extended to the synthesis of enantiopure [(2‐pyridyl)sulfonyl]difluoromethylated cyclic sulfoximines. The use of 2‐PySO2CF2 as the facilitating group offers new opportunities for the elaboration of the [3+2] cycloaddition products by virtue of the diverse relativity of 2‐pyridyl sulfones.

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