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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1924756Generated: November 3, 2026

(3-Chloro-2-fluorophenyl)hydrazine → 3-[2-(3-Chloro-2-fluoro-phenyl)-2H-pyrazol-3-yl]-1-(3-trifluoromethanesulfonyl-phenyl)-1H-pyridazin-4-one

https://huagongshe.com/reaction/1924756

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(3-Chloro-2-fluorophenyl)hydrazineHCID 2778381—
Reactant3-((E)-3-Dimethylamino-acryloyl)-1-(3-trifluoromethansulfonyl-phenyl)-1H-pyridazin-4-oneHCID 59370132—
Product3-[2-(3-Chloro-2-fluoro-phenyl)-2H-pyrazol-3-yl]-1-(3-trifluoromethanesulfonyl-phenyl)-1H-pyridazin-4-oneHCID 59370167—

Reaction Steps

The product was obtained starting from 3-((E)-3-Dimethylamino-acryloyl)-1-(3-trifluoromethansulfonyl-phenyl)-1H-pyridazin-4-one (A-33) and 3-chloro-2-fluoro-phenylhydrazine according to the method described for example 1. MS: M=499.0 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178538B2
Source datasetuspto-grants-2012_05
ORD IDord-e09481eeffaf40c1835077646ffc58e7
Source noteuspto-grants-2012_05