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Synthesis 1988; 1988(12): 968-970
DOI: 10.1055/s-1988-27769
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Neue chirale Hilfsgruppen: Herstellung optisch aktiver Cyclopentancarbonsäuren aus (-)-Camphansäure

Klaus Th. Wanner* , Annerose Kärtner
  • *Institut für Pharmazie und Lebensmittelchemie der Universität München, Sophienstraße 10, D-8000 München 2, Federal Republic of Germany
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Publikationsdatum:
20. August 2002 (online)

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New Chiral Auxiliaries: Synthesis of Optically Active Cyclopentanecarboxylic Acids from (-)-Camphanic Acid A general entry into novel chiral auxiliaries derived from 1-hydroxy-3-hydroxymethyl-2,2,3-trimethylcyclopentanecarboxylic acid consists of reduction of camphanic acid followed by regioselective O-alkylation reactions as exemplified by the synthesis of (1S,3R)-1-benzyloxy-3-methoxymethyl-2,2,3-trimethylcyclopentanecarboxylic acid.