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Synthesis 1989; 1989(9): 666-671
DOI: 10.1055/s-1989-27352
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Synthesis of Aminopyridazines from Azidopyridazines and Tetrazolo[1,5-b]pyridazines

Th. Kappe* , A. Pfaffenschlager, W. Stadlbauer
  • *Laboratory of Organic Synthesis, Institute of Organic Chemistry, Karl-Franzens-University Graz, Heinrichstraße 28, A-8010 Graz, Austria
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Publication History

Publication Date:
17 September 2002 (online)

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Azidopyridazines 3, 4, 24 and tetrazolo[1,5-b]pyridazines 10, 13, 28 can be converted to the corresponding aminopyridazines, by reaction with triphenylphosphine via phosphazenes and subsequent hydrolysis (Staudinger reaction).