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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Abstract

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 language	English
Pages (from-to)	307-309
Number of pages	3
Journal	Russian Chemical Bulletin
Volume	42
Issue number	2
DOIs	https://doi.org/10.1007/BF00697082
Publication status	Published - 1 Feb 1993
Externally published	Yes

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Keywords

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

ASJC Scopus subject areas

Chemistry(all)

Cite this

Vasilevskii, S. F., Fossatelli, M., van der Kork, A. H. T. M., & Brandsma, L. (1993). A new procedure for the synthesis of arylor hetaryl-substituted conjugated diynes. Russian Chemical Bulletin, 42(2), 307-309. https://doi.org/10.1007/BF00697082

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AB - 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.

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Access to Document

10.1007/BF00697082