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

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

Keywords

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

ASJC Scopus subject areas

Chemistry(all)

Access to Document

10.1007/BF00697082

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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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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.",

keywords = "1,3-diynes, mono- and disubstituted, 1-alkylthio-1-buten-3-ynes",

author = "Vasilevskii, {S. F.} and M. Fossatelli and {van der Kork}, {A. H.T.M.} and L. Brandsma",

year = "1993",

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AU - Vasilevskii, S. F.

AU - Fossatelli, M.

AU - van der Kork, A. H.T.M.

AU - Brandsma, L.

PY - 1993/2/1

Y1 - 1993/2/1

N2 - 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.

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.

KW - 1,3-diynes, mono- and disubstituted

KW - 1-alkylthio-1-buten-3-ynes

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