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Palladium-Catalyzed Alkene Carboamination Reactions of Electron-Poor Nitrogen Nucleophiles.


ABSTRACT: Modified reaction conditions that facilitate Pd-catalyzed alkene carboamination reactions of electron-deficient nitrogen nucleophiles are reported. Pent-4-enylamine derivatives bearing N-tosyl or N-trifluoroacetyl groups are coupled with aryl triflates to afford substituted pyrrolidines in good yield. These reactions proceed via a mechanism involving anti-aminopalladation of the alkene, which differs from previously reported analogous reactions of N-aryl and N-boc pentenylamines. The application of these conditions to a formal synthesis of (±)-aphanorphine is also described.

SUBMITTER: Peterson LJ 

PROVIDER: S-EPMC4662568 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Palladium-Catalyzed Alkene Carboamination Reactions of Electron-Poor Nitrogen Nucleophiles.

Peterson Luke J LJ   Wolfe John P JP  

Advanced synthesis & catalysis 20150714 10


Modified reaction conditions that facilitate Pd-catalyzed alkene carboamination reactions of electron-deficient nitrogen nucleophiles are reported. Pent-4-enylamine derivatives bearing <i>N</i>-tosyl or <i>N</i>-trifluoroacetyl groups are coupled with aryl triflates to afford substituted pyrrolidines in good yield. These reactions proceed via a mechanism involving <i>anti</i>-aminopalladation of the alkene, which differs from previously reported analogous reactions of <i>N</i>-aryl and <i>N</i>-  ...[more]

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