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- W4385581388 abstract "Among phenol-derived electrophiles, aryl sulfamates are attractive substrates since they can be employed as directing groups for C-H functionalization prior to catalysis. However, their use in C-N coupling is limited only to Ni catalysis. Here, we describe a Pd-based catalyst with a broad scope for the amination of aryl sulfamates. We show that the N-methyl-2-aminobiphenyl palladacycle supported by the PCyp2ArXyl2 ligand (Cyp = cyclopentyl; ArXyl2 = 2,6-bis(2,6-dimethylphenyl)phenyl) efficiently catalyzes the C-N coupling of aryl sulfamates with a variety of nitrogen nucleophiles, including anilines, primary and secondary alkyl amines, heteroaryl amines, N-heterocycles, and primary amides. DFT calculations support that the oxidative addition of the aryl sulfamate is the rate-determining step. The C-N coupling takes place through a cationic pathway in the polar protic medium." @default.
- W4385581388 created "2023-08-05" @default.
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- W4385581388 date "2023-08-04" @default.
- W4385581388 modified "2023-10-16" @default.
- W4385581388 title "Broad-Scope Amination of Aryl Sulfamates Catalyzed by a Palladium Phosphine Complex" @default.
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- W4385581388 doi "https://doi.org/10.1021/acscatal.3c03166" @default.
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