A route to pyrazolylazopyrazolo[4,3-c]pyrazoles via 1,5-dimethyl-3R-pyrazolyl-4-diazonium salts

Eugene V. Tretyakov, Sergei F. Vasilevsky

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8 Citations (Scopus)

Abstract

1,5-Dimethyl-3R-pyrazolyl-4-diazonium salts (R = H, C≡C-Ph) have been converted into the corresponding 6-(1,5-dimethyl-3R-pyrazol-4-yl)azo-1-methyl-3R-4H-pyrazolo[4,3-c]pyrazoles 6a,b and it has been shown that the reaction proceeds via 1-methyl-5-(1,5-dimethyl-3R-pyrazolyl-4-azo)methyl-3R-pyrazolyl-4-diazonium chlorides 4a,b.

Original languageEnglish
Pages (from-to)190-191
Number of pages2
JournalMendeleev Communications
Volume6
Issue number5
DOIs
Publication statusPublished - 1 Jan 1996
Externally publishedYes

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ASJC Scopus subject areas

  • Chemistry(all)

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