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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1924518Generated: November 2, 2026

Hydrochloric Acid → 3-[1-(4-methoxyphenyl)-1H-pyrazol-5-yl]-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

https://huagongshe.com/reaction/1924518

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(4-Methoxyphenyl)hydrazineHCID 77023—
Reactant3-((E)-3-Dimethylamino-acryloyl)-1-(3-trifluoromethyl-phenyl)-1H-pyridazin-4-oneHCID 59370027—
Product3-[1-(4-methoxyphenyl)-1H-pyrazol-5-yl]-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-oneHCID 4621981710%

Reaction Steps

The product was obtained starting from 3-((E)-3-Dimethylamino-acryloyl)-1-(3-trifluoromethyl-phenyl)-1H-pyridazin-4-one (A-3) and 4-methoxy-phenylhydrazine×HCl according to the method described for Example 1 in 10% yield. MS: M=413.5 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178538B2
Source datasetuspto-grants-2012_05
ORD IDord-5c2794a21f124efdaab140b0ac78a998
Source noteuspto-grants-2012_05