Production method for fluorinated pyrazole derivative and intermediate thereof

Production method for fluorinated pyrazole derivative and intermediate thereof

This method comprises steps: (i) reacting a compound represented by formula (A) with hydrazine to produce a compound represented by formula (B); (ii) reacting the compound represented by formula (B) with formaldehyde to produce a compound represented by formula (C); and (iii) reacting a compound rep...

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1. Verfasser: ARISUE, KAORU
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:This method comprises steps: (i) reacting a compound represented by formula (A) with hydrazine to produce a compound represented by formula (B); (ii) reacting the compound represented by formula (B) with formaldehyde to produce a compound represented by formula (C); and (iii) reacting a compound represented by formula (C) in the presence of a base to produce a compound represented by formula (D). Here, Rf represents a (C1-C4) perfluoroalkyl, and R represents a (C1-C6) alkyl.