CuH-Catalyzed Enantioselective Reductive Coupling of 1,3-Dienes and Trifluoromethyl Ketoimines or α-Iminoacetates

Org Lett. 2022 Jul 1;24(25):4586-4591. doi: 10.1021/acs.orglett.2c01683. Epub 2022 Jun 17.

Abstract

The intermolecular addition of allylic copper species generated from diene and copper hydride remains elusive. Herein copper hydride catalyzed asymmetric cross reductive coupling of conjugated dienes and ketoimines including trifluoromethyl ketoimines and α-iminoacetates was first achieved using chiral Ph-BPE as the ligand, providing rapid access to structurally and optically enriched homoallylic amines containing two vicinal stereogenic centers with up to 95% yield, 99% ee, and 11:1 diastereoselectivities.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Amines
  • Catalysis
  • Copper*
  • Polyenes*
  • Stereoisomerism

Substances

  • Amines
  • Polyenes
  • Copper