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Corrigendum to “Enantioselective alkylation and protonation of prochiral enolates in the asymmetric synthesis of β-amino acids” [Tetrahedron 59 (2003) 4223]

Authors
Journal
Tetrahedron
0040-4020
Publisher
Elsevier
Publication Date
Volume
61
Issue
17
Identifiers
DOI: 10.1016/j.tet.2005.02.035
Keywords
  • Chiral Ligands
  • Chiral BrøNsted Acids
  • Enantioselective Protonations
  • Amino Acids And Derivatives

Abstract

Abstract This paper describes work that corrects the synthetic procedures reported in the title paper for the preparation of novel chiral phenolic acids ( S)- 11 , ( S)- 13 , ( S, S)- 12 and ( S, S)- 14 . Unlike the results provided in the article being reexamined, protonation of prochiral enolates 2 -Li and 3 -Li with chiral Brønsted acids 11– 14 proceeded with negligible enantioselectivity.

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