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Reaction of 3‐benzylidene‐2,4‐pentanedione and 3‐methoxymethylene‐2,4‐pentanedione with aroylhydrazines
Author(s) -
Mitkidou Sophia,
StephanidouStephanatou Julia,
Stephopoulou Helen
Publication year - 1993
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570300227
Subject(s) - chemistry , benzaldehyde , diketone , medicinal chemistry , organic chemistry , catalysis
Aroylhydrazines 2 reacted with 3‐benzylidene‐2,4‐pentanedione ( 1 ) to give 1‐aroyl‐3,5‐dimethyl‐1 H ‐pyrazoles 5 and benzaldehyde aroylhydrazones 6 . From the reaction of 3‐methoxymethylene‐2,4‐pentanedione ( 7 ) with aroylhydrazines 2 the unknown N ‐aroyl‐4‐acetyl‐1 H ‐pyrazoles 9 were exclusively isolated in good yields.
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