3968-53-4Relevant academic research and scientific papers
Studies in the Vilsmeier-Haack Reaction, Part VII: Synthesis and Reaction of 3-Methyl-1-phenyl-4-acetyl Hydrazono 2-Pyrazoline-5-one(-5-thione)
Awad, Ibrahim M. A.
, p. 1023 - 1030 (2007/10/02)
The keto (thio) tautomers 1-4 of the hydrazono pyrazolone, thiopyrazolone derivatives underwent simultaneous diformylation, chlorination (desulphurization) and ring closure under Vilsmeier reaction conditions giving the pyrazolopyrazole aminoacrole
