An efficient dechlorination method for l,2,3,4-tetrachloro-5,5-dimethoxycyclopentadiene diels-alder adducts: Inverse addition-ethereal birch reduction conditions

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Abstract

Modified Birch reduction conditions for the selective dechlorination of l,2,3,4-tetrachloro-5,5-dimethoxycyclopentadiene Diels-Alder adducts are described. Inverse addition of a suspension of lithium in liquid ammonia to a dilute ethereal solution of the adduct at — 78 °C gives clean dechlorination with no accompanying alkene reduction.

Original languageEnglish (US)
Pages (from-to)649-651
Number of pages3
JournalSynthesis (Germany)
Volume1990
Issue number8
DOIs
StatePublished - 1990

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry

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