@article{Arnecke1994Alpha-10040,
  year={1994},
  doi={10.1002/jlac.199419940908},
  title={Alpha-Alkylidenecyclopentanones by Alpha-Alkylidation of Methyl 2-Oxocyclopentanecarboxylate},
  number={9},
  volume={1994},
  issn={0170-2041},
  journal={Liebigs Annalen der Chemie},
  pages={891--894},
  author={Arnecke, Ralf and Groth, Ulrich and Köhler, Thomas}
}

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    <dc:contributor>Groth, Ulrich</dc:contributor>
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    <dc:contributor>Köhler, Thomas</dc:contributor>
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    <dcterms:abstract xml:lang="deu">An α-alkylidation of cyclopentanone was achieved in two reaction steps in an overall yield of 20 to 79% via a zinc chloride-catalyzed thioalkylation of the zinc enolate of methyl 2-oxocyclopentanecarboxylate (3) and subsequent saponification/desulfurization of the β-(phenylthio) ketone intermediates 5. For the saponificatioddesuiurization step DABCO proved to be the reagent of choice and superior to the use of alkali or magnesium halides.</dcterms:abstract>
    <dc:creator>Köhler, Thomas</dc:creator>
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    <dcterms:bibliographicCitation>First publ. in: Liebigs Annalen der Chemie 1994, 9, pp. 891-894</dcterms:bibliographicCitation>
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