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Synlett 1992; 1992(3): 247-248
DOI: 10.1055/s-1992-21331
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An Organoiron Approach to the Synthesis of Dihydrodioscorine

G. Richard Stephenson* , Richard D. Thomas, Frederick Cassidy
  • *School of Chemical Sciences, University of East Anglia, Norwich, Norfolk NR4 7TJ, England
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Publication Date:
08 March 2002 (online)

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A regioselective method for the preparation of 4-alkyl-2-methoxy substituted tricarbonyl(η5-cyclohexadienyl)iron(1+) salts 3 is described and applied to the preparation of a key intermediate {methyl 4-[(R)-6-cyano-3-oxo-1-cyclohexenyl] -3-methylbutyrate (2)} for an organoiron route for the synthesis of dihydrodioscorine.