Synthesis of a new tricyclic heteroaromatic ring system: Pyridazo[3,2-b]quinazoline

Dorottya Csányi, György Hajós, Zsuzsanna Riedl, Orsolya Egyed, Carlos Kos, Thomas Kappe

Research output: Contribution to journalArticle

3 Citations (Scopus)


Reaction of the pyridazine compound 1 with anthranilic ester affords an oxo derivative (4) of the new tricyclic ring system pyridazo[3,2-b]quinazoline. Transformations to the 3-chloro (5), 3-amino and 3-alkoxy derivatives (6) as well as to esters (8) have been described.

Original languageEnglish
Pages (from-to)147-152
Number of pages6
JournalHeterocyclic Communications
Issue number2
Publication statusPublished - Jan 1 2000

ASJC Scopus subject areas

  • Organic Chemistry

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