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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1924524Generated: October 26, 2026

(4-Chlorophenyl)hydrazine → 3-[2-(4-Chloro-phenyl)-2H-pyrazol-3-yl]-1-(3-trifluoromethoxy-phenyl)-1H-pyridazin-4-one

https://huagongshe.com/reaction/1924524

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(4-Chlorophenyl)hydrazineHCID 70624—
Reactant3-((E)-3-Dimethylamino-acryloyl)-1-(3-trifluoromethoxy-phenyl)-1H-pyridazin-4-oneHCID 59370123—
Product3-[2-(4-Chloro-phenyl)-2H-pyrazol-3-yl]-1-(3-trifluoromethoxy-phenyl)-1H-pyridazin-4-oneHCID 46219935—

Reaction Steps

Reaction of 3-((E)-3-Dimethylamino-acryloyl)-1-(3-trifluoromethoxy-phenyl)-1H-pyridazin-4-one (A-6) and (4-chloro-phenyl)-hydrazine according to example 43 gave the desired product. MS: M=432.9 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178538B2
Source datasetuspto-grants-2012_05
ORD IDord-ab30ce302c3d439caf696c94fb06e246
Source noteuspto-grants-2012_05