Diversity-Oriented Desulfonylative Functionalization of Alkyl Allyl Sulfones.

The diversity-oriented desulfonylative functionalization of alkyl allyl sulfones with various sulfone-type reagents by radical chemistry has been developed. The readily installed allylsulfonyl moiety acts as a C-radical precursor, which is substituted by various functionalities using sulfur-based radical trapping reagents. The generality of this approach is documented by the successful desulfonylative alkynylation, azidation, trifluoromethylthiolation, sulfenylation, trifluoromethylselenylation, halogenation, and deuteration. The method is compatible with a wide range of functional groups. Considering the deuteration, products are obtained in good yields with a high level of deuterium incorporation.