Catalytic Enantioselective Synthesis of N–C Axially Chiral Sulfonamides through Chiral Palladium-Catalyzed N-Allylation
2019
In the presence of (S,S)-Trost ligand and (allyl-Pd-Cl)2 catalyst, the reaction of allyl acetate with the anionic species prepared from various N-(2-tert-butylphenyl)sulfonamides and NaH proceeded in an enantioselective manner (up to 95% ee) to give optically active N-allylated sulfonamide derivatives possessing an N–C axially chiral structure in high yields.
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