Synthesis and structural identification of 5-amino-4-hydroxyiminopyrazoles and (E)-N1-aryl-3-aryl-4-[(substituted pyrazolyl)diazenyl] pyrazoles from 5-aminopyrazoles with ethyl nitrite or sodium nitrite

Synthesis and structural identification of 5-amino-4-hydroxyiminopyrazoles and (E)-N1-aryl-3-aryl-4-[(substituted pyrazolyl)diazenyl] pyrazoles from 5-aminopyrazoles with ethyl nitrite or sodium nitrite

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 70, Issue 43, 28 October 2014, Pages 7977-7982

Fung Fuh Wong, Li-Ya Wang, Naoto Uramaru, Hui-Hsuan Chiang,