This manuscript details the development of a palladium-catalyzed
hydroamination of vinyl ethers. It is proposed that palladium catalyzes
the hydroamination via Brønsted base catalysis, where palladium
is protonated by the relatively acidic sulfonamide to generate a
palladium hydride as well as the active anionic sulfonamide nucleophile.
Thus, this process is distinct from known palladium-catalyzed hydroaminations
of styrene derivatives that utilize less acidic amines.
hydroamination - vinyl ether - palladium - sulfonamide