Alkaline metallic reagent-catalyzed hydrocarbocyclization reaction of various active methine compounds having an unactivated 4-alkynyl or allenyl group

Osamu Kitagawa, Takashi Suzuki, Hiroki Fujiwara, Masao Fujita, Takeo Taguchi

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

On using a catalytic mount of NaH or n-BuLi, hydrocarbocyclization reaction of various active methine compounds having an unactivated 4-pentynyl or 3,4-pentadienyl group proceeded through proton transfer mechanism to give methylenecyclopentane derivatives in good yields.

Original languageEnglish
Pages (from-to)4585-4588
Number of pages4
JournalTetrahedron Letters
Volume40
Issue number24
DOIs
Publication statusPublished - 1999 Jun 11
Externally publishedYes

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Keywords

  • Alkynes
  • Catalysis
  • Cyclization
  • Lithium and compounds

ASJC Scopus subject areas

  • Biochemistry
  • Organic Chemistry
  • Drug Discovery

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