A new procedure for the synthesis of arylor hetaryl-substituted conjugated diynes

S. F. Vasilevskii, M. Fossatelli, A. H.T.M. van der Kork, L. Brandsma

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On treatment with two equivalents of NaNH2 in liquid ammonia the enyne sulfides RC≡C-CH=CHSEt (cis-isomers, where R is an aryl or a hetaryl) afford sodium salts of 1,3-diynes. The latter react with ethyl bromide to produce disubstituted diynes RC≡C-C≡CEt in high yields.

Original languageEnglish
Pages (from-to)307-309
Number of pages3
JournalRussian Chemical Bulletin
Issue number2
Publication statusPublished - 1 Feb 1993
Externally publishedYes



  • 1,3-diynes, mono- and disubstituted
  • 1-alkylthio-1-buten-3-ynes

ASJC Scopus subject areas

  • Chemistry(all)

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