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research article

Catalytic Enantioselective Benzilic Ester Rearrangement

Wu, Hua  
•
Wang, Qian  
•
Zhu, Jieping  
April 27, 2020
Angewandte Chemie International Edition

We report the first examples of catalytic enantioselective benzilic ester rearrangement reaction. In the presence of a catalytic amount of Cu(OTf)(2) and a chiral box ligand under mild conditions, reaction of 2,3-diketoesters with alcohols afforded structurally diverse alpha-aryl(alkyl) substituted-alpha-hydroxy malonates (tartronic esters) in good to excellent yields with high enantioselectivities. Preliminary mechanistic studies indicated that hemiketalization, rather than the dynamic kinetic resolution of hemiketal, was the enantiodetermining step under our reaction conditions.

  • Details
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Type
research article
DOI
10.1002/anie.202001258
Web of Science ID

WOS:000526818900046

Author(s)
Wu, Hua  
Wang, Qian  
Zhu, Jieping  
Date Issued

2020-04-27

Publisher

Wiley-VCH Verlag GmbH

Published in
Angewandte Chemie International Edition
Volume

59

Issue

18

Start page

7261

End page

7265

Subjects

Chemistry, Multidisciplinary

•

Chemistry

•

2

•

3-diketoester

•

asymmetric synthesis

•

benzilic ester rearrangement

•

chiral copper catalyst

•

tartronic esters

•

intramolecular cannizzaro reaction

•

semipinacol rearrangement

•

asymmetric rearrangement

•

acid rearrangement

•

chemistry

•

construction

•

complexes

•

efficient

•

michael

•

acetals

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSPN  
Available on Infoscience
May 1, 2020
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/168501
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