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Enantioselective construction of C-chiral allylic sulfilimines via the iridium-catalyzed allylic amination with S,S-diphenylsulfilimine: asymmetric synthesis of primary allylic amines.


ABSTRACT: We have devised a highly regio- and enantioselective iridium-catalyzed allylic amination reaction with the sulfur-stabilized aza-ylide, S,S-diphenylsulfilimine. This process provides a robust and scalable method for the construction of aryl-, alkyl- and alkenyl-substituted C-chiral allylic sulfilimines, which are important functional groups for organic synthesis. Additionally, the combination of the allylic amination with an in situ deprotection of the sulfilimine constitutes a convenient one-pot protocol for the construction of chiral nonracemic primary allylic amines.

SUBMITTER: Grange RL 

PROVIDER: S-EPMC5592745 | biostudies-literature | 2015 Jan

REPOSITORIES: biostudies-literature

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Enantioselective construction of <i>C</i>-chiral allylic sulfilimines <i>via</i> the iridium-catalyzed allylic amination with <i>S</i>,<i>S</i>-diphenylsulfilimine: asymmetric synthesis of primary allylic amines.

Grange Rebecca L RL   Clizbe Elizabeth A EA   Counsell Emma J EJ   Evans P Andrew PA  

Chemical science 20140908 1


We have devised a highly regio- and enantioselective iridium-catalyzed allylic amination reaction with the sulfur-stabilized aza-ylide, <i>S</i>,<i>S</i>-diphenylsulfilimine. This process provides a robust and scalable method for the construction of aryl-, alkyl- and alkenyl-substituted <i>C</i>-chiral allylic sulfilimines, which are important functional groups for organic synthesis. Additionally, the combination of the allylic amination with an <i>in situ</i> deprotection of the sulfilimine con  ...[more]

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