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.
MOLINA, PEDRO;FRESNEDA, PILAR M., J. CHEM. SOC. PERKIN TRANS. PT 1,(1988) N 7, C. 1819-1822
作者:MOLINA, PEDRO、FRESNEDA, PILAR M.
DOI:——
日期:——
Syntheses of<i>o</i>-Aminohetarenecarbaldehydes via Azides
作者:Jan Becher、Krystian Pluta、Niels Krake、Klaus Brøndum、Nils Just Christensen、Maria Victoria Vinader
DOI:10.1055/s-1989-27307
日期:——
o-Chlorohetarenecarbaldehydes react with sodium azide at low temperature yielding moderately stable o-azidohetarenecarbaldehydes. With hydrogen sulfide these compounds are reduced to the corresponding stable o-amino aldehydes. Both reaction steps give high yields.