@article{Groth1993Asymm-9562,
  year={1993},
  title={Asymmetric Synthesis via Heterocyclic Intermediates, LII. Synthesis of tert-Leucine and Related Amino Acids},
  number={7},
  issn={0170-2041},
  journal={Liebigs Annalen der Chemie},
  pages={715--719},
  author={Groth, Ulrich and Huhn, Thomas and Porsch, Bettina and Schmeck, Carsten and Schöllkopf, Ulrich}
}

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    <dc:contributor>Schmeck, Carsten</dc:contributor>
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    <dc:contributor>Porsch, Bettina</dc:contributor>
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    <dc:creator>Schöllkopf, Ulrich</dc:creator>
    <dcterms:title>Asymmetric Synthesis via Heterocyclic Intermediates, LII. Synthesis of tert-Leucine and Related Amino Acids</dcterms:title>
    <dc:creator>Huhn, Thomas</dc:creator>
    <dc:contributor>Schöllkopf, Ulrich</dc:contributor>
    <dcterms:bibliographicCitation>First publ. in: Liebigs Annalen der Chemie 1993, 7, pp. 715-719</dcterms:bibliographicCitation>
    <dcterms:abstract xml:lang="eng">The 2,5-dialkoxypyrazines 3a and b were prepared in three steps from methyl glycinate hydrochloride (1) in an overall yield of 18 and 63%. Upon the addition of lithium organyls to 3b and subsequent acidic hydrolysis the ethyl glycinates rac-7 were obtained.</dcterms:abstract>
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