Practical synthesis of ynolate anions: Naphthalene-catalyzed reductive lithiation of α,α-dibromo esters

Mitsuru Shindo, Ryoko Koretsune, Wakako Yokota, Kotaro Itoh, Kozo Shishido

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29 Citations (Scopus)


Reductive lithiation of α,α-dibromo esters using lithium naphthalenide afforded ester dianions leading to ynolate anions in good yields. Naphthalene-catalyzed reductive lithiation was also accomplished. This is a convenient, economical and practical method for the preparation of ynolate anions.

Original languageEnglish
Pages (from-to)8357-8360
Number of pages4
JournalTetrahedron Letters
Issue number47
Publication statusPublished - Nov 19 2001
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry

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