In the course of studying some organometallic chemistry of allenic sulfones, we discovered a facile Pd-catalyzed isomerization of these species to 1-sulfonyldienes. In the absence of palladium, but in the presence of a nucleophile and proton shuttle, such allenes can be converted to 2-sulfonyldienes. The scope and mechanistic details of both processes will be presented.

Regiodivergent synthesis of 1- and 2-arylsulfonyldienes

246th National Meeting (2013)

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