A new rearrangement of chloroethynylpyrazoles

A. N. Sinyakov, S. F. Vasilevskii, M. S. Shvartsberg

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Abstract

1. Isomerization of 4- and 3-(chloroethynyl)-N-alkylpyrazoles to [5-chloro-N-alkyl-pyrazolyl]acetylenes is induced by NaNH2 in NH3. 2. In 5-(chloroethynyl)-N-methylpyrazole under these conditions halogen is exchanged for metal (sodium).

Original languageEnglish
Pages (from-to)2142-2147
Number of pages6
JournalBulletin of the Academy of Sciences of the USSR Division of Chemical Science
Volume26
Issue number10
DOIs
Publication statusPublished - 1 Oct 1977
Externally publishedYes

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ASJC Scopus subject areas

  • Chemistry(all)

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