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Synthesis 1986; 1986(9): 737-740
DOI: 10.1055/s-1986-31760
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Asymmetric Synthesis via Heterocyclic Intermediates; XXX1. Asymmetric Synthesis of Glutamic Acids and Derivatives thereof by the Bislactim-Ether Method. Michael-Addition of Methyl 2-Alkenoates to the Lithiated Bislactim-Ether of Cyclo-(L-Val- Gly)

Ulrich Schöllkopf* , Dagmar Pettig, Ulrich Busse, Ernst Egert, Michael Dyrbusch
  • *Institut für Organische Chemie der Universität Göttingen, Tammannstraße 2, D-3400 Göttingen, West Germany
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Publication Date:
20 August 2002 (online)

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An asymmetric synthesis of (virtually configurationally pure) (R)-glutamic acids and/or the corresponding (R)-2-amino-5-pyrrolidinones starting with the bis-lactim ether of cyclo-(L-Val-Gly) and methyl 2-alkenoates is described.