Reactions with 3-pyrazolin-5-ones: synthesis of some 4-substituted 2,3-dimethyl-1-phenyl-3-pyrazolin-5-ones

DOI: 10.1002/ardp.19833160115

Source and publish data:

Archiv der Pharmazie p. 76 - 82 (1983)

Update date:2022-09-26

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Authors:

El Sakka

Kandil Kandil

El Moghayar

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Article abstract of DOI:10.1002/ardp.19833160115

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

Full text of DOI:10.1002/ardp.19833160115

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