Assembling a Hybrid Pd Catalyst from a Chiral Anionic Co III Complex and Ligand for Asymmetric C(sp 3 )–H Functionalization

Hua Jie Jiang, Xiu Mei Zhong, Jie Yu, Ying Zhang, Xinhao Zhang*, Yun Dong Wu, Liu Zhu Gong

*Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

87 Citations (Scopus)

Abstract

An unusual hybrid palladium catalyst containing an anionic chiral Co III complex and a chiral phosphoramidite ligand shows a high capacity for catalyzing asymmetric thioamide-directed C(sp 3 )−H arylation and delivers excellent yield and enantioselectivity (up to 99 % yield, 99 % ee). Significant synergy between the chiral ligand and the anion in terms of stereochemical control was observed. Mechanistic investigations have revealed both the nature of the C−H activation and the origin of the enantioselectivity.

Original languageEnglish
Pages (from-to)1803-1807
Number of pages5
JournalAngewandte Chemie - International Edition
Volume58
Issue number6
DOIs
Publication statusPublished - 4 Feb 2019
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Keywords

  • C−H functionalization
  • chiral phosphoramidites
  • cobalt
  • palladium
  • synergistic effects

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