A convenient synthesis of4-chloro- and 4-bromocinnolines fromo-aminophenylacetylenes

S. F. Vasilevsky, E. V. Tretyakov, H. D. Verkruijsse

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)


4-Chlorocinnolines and 4-bromocinnolines have been obtained in fair to good yields by diazotation of o-aminophenylacetylenes with sodium nitrite and concentrated hydrochloric acid or hydrobromic acid at temperatures between 25 and 30°C.

Original languageEnglish
Pages (from-to)1733-1736
Number of pages4
JournalSynthetic Communications
Issue number12
Publication statusPublished - 1 Jun 1994
Externally publishedYes

ASJC Scopus subject areas

  • Organic Chemistry

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