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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1924541Generated: October 25, 2026

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

https://huagongshe.com/reaction/1924541

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(3-Chlorophenyl)hydrazineHCID 75332—
Reactant3-((E)-3-Dimethylamino-acryloyl)-1-(3-methansulfonyl-phenyl)-1H-pyridazin-4-oneHCID 59370171—
Product3-[2-(3-Chloro-phenyl)-2H-pyrazol-3-yl]-1-(3-methanesulfonyl-phenyl)-1H-pyridazin-4-oneHCID 46218949—

Reaction Steps

Reaction of 3-((E)-3-dimethylamino-acryloyl)-1-(3-methansulfonyl-phenyl)-1H-pyridazin-4-one (A-7) and (3-chloro-phenyl)-hydrazine according to example 43 gave the desired product. MS: M=427.1 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08178538B2
Source datasetuspto-grants-2012_05
ORD IDord-879d89177477422bbdd94ef9b0bbe238
Source noteuspto-grants-2012_05