84935-44-4Relevant academic research and scientific papers
Reactions with 3-pyrazolin-5-ones: synthesis of some 4-substituted 2,3-dimethyl-1-phenyl-3-pyrazolin-5-ones
El Sakka,Kandil,El Moghayar
, p. 76 - 82 (2007/10/02)
4-Acetylantipyrine (1) was condensed with aromatic or heterocyclic aldehydes to yield the cinnamoylidene derivatives 4a-d. Compound 4b was converted into the pyrazolinylantipyrine derivative 9 by hydrazine hydrate. 4-(Chloroacetyl)antipyrine (2) reacted w
