- PII
- S3034630425070171-1
- DOI
- 10.7868/S3034630425070171
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 61 / Issue number 7
- Pages
- 959-968
- Abstract
- Reactions of difluoroacetyl- and trifluoroacetylpyruvaldehyde dimethyl acetals with methyl and phenylhydrazine in methanol occur regioselectively and make it possible to obtain N-methyl- and N-phenyl-substituted 5-polyfluoromethylpyrazole-3-carbaldehyde and their dimethyl acetals in good yields. Regioisomeric N- methyl- and N-phenyl-substituted 3-polyfluoromethylpyrazole-5-carbaldehyde and their dimethyl acetals were synthesized in moderate yields by reacting the same reagents in trifluoroethanol or acetic acid.
- Keywords
- фторированные 1,3-дикетоны пиразолкарбальдегиды метилгидразин фенилгидразин
- Date of publication
- 10.03.2026
- Year of publication
- 2026
- Number of purchasers
- 0
- Views
- 11
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