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Some new phenolic pyrazoles from 2′‐Hydroxychalcones
Author(s) -
Oluwadiya J. O.
Publication year - 1981
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.5570180704
Subject(s) - chemistry , hydrazine (antidepressant) , hydrate , pyridine , condensation , pyrazole , organic chemistry , medicinal chemistry , chromatography , physics , thermodynamics
2′Hydroxychalcones react with hydrazine hydrate in water to form phenolic 4,5‐dihydro‐3,5‐diphenyl‐1 H ‐pyrazoles. Condensation of the pyrazoles with toluenesulphonylchloride in pyridine gave 4,5‐dihydro‐3,5‐diphenyl‐1‐toluenesulphonylpyrazoles.