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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1924491Generated: October 26, 2026

2-(Trifluoromethyl)phenylhydrazine → 1-Phenyl-3-[2-(2-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-1H-pyridazin-4-one

https://huagongshe.com/reaction/1924491

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(Trifluoromethyl)phenylhydrazineHCID 520800—
Reactant(E)-3-(3-(Dimethylamino)acryloyl)-1-phenylpyridazin-4(1H)-oneHCID 12742246—
Product1-Phenyl-3-[2-(2-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-1H-pyridazin-4-oneHCID 4621932434%

Reaction Steps

The product was obtained starting from 3-((E)-3-Dimethylamino-acryloyl)-1-phenyl-1H-pyridazin-4-one (A-1) and o-trifluoromethyl-phenylhydrazine according to the method described for Example 1 in 34% yield. MS: M=383.0 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178538B2
Source datasetuspto-grants-2012_05
ORD IDord-3012d153dcc743a6835fe244657cdec9
Source noteuspto-grants-2012_05