84705-48-6Relevant academic research and scientific papers
Synthesis of 3-Substituted Benzofuryl-4-arylazo-5-pyrazolone Derivatives & Their Antibacterial Activity
Hishmat, Orchidee H.,Gohar, Abdel Kerim M. M.,Nasef, Atiat M. M.,El-Nakkady, Sally S. E.-D.
, p. 790 - 792 (2007/10/02)
5-Hydroxybergapten (Ia) an 5-hydroxyisopimpinellin (Ib) react with aryl diazonium chlorides to form the corresponding 6-arylazo dervatives (IIa-k).The latter compounds undergo opening of the pyrone ring upon treatment with hydrazine hydrate to form 4-aryl
