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Synthesis 1991; 1991(8): 609-612
DOI: 10.1055/s-1991-26525
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A Facile Preparation of o-Aminoheteroarenecarbothialdehydes

Jan Becher* , Per Lauge Jørgensen, Henrik Frydendahl, Birgitte Fält-Hansen
  • *Department of Chemistry, Odense University, DK-5230 Odense M, Denmark
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Publication Date:
29 April 2002 (online)

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Reduction with hydrogen sulfide of heterocyclic o-azidoaldehydes yields the corresponding o-aminocarbothialdehydes as stable crystalline compounds. The reactions are exemplified in the pyrazole and indole series. The o-aminoheteroarencarbothialdehyde give nickel(II) complexes with nickel(II) acetate.