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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 421909Generated: October 26, 2026

2-Fluoro-4-(methylsulfanyl)aniline → Ethyl 4-(2-fluoro-4-(methylthio)phenylamino)-1,5-dimethyl-6-oxo-1,6-dihydropyridazine-3-carboxylate

https://huagongshe.com/reaction/421909

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Fluoro-4-(methylsulfanyl)anilineHCID 22025617—
ReactantEthyl 4-chloro-1,5-dimethyl-6-oxo-1,6-dihydropyridazine-3-carboxylateHCID 66674070—
ProductEthyl 4-(2-fluoro-4-(methylthio)phenylamino)-1,5-dimethyl-6-oxo-1,6-dihydropyridazine-3-carboxylateHCID 6667401381%

Reaction Steps

The title compound was prepared in 81% yield by the procedure described in Example 166 (step H) using ethyl 4-chloro-1,5-dimethyl-6-oxo-1,6-dihydropyridazine-3-carboxylat (500 mg, 2.17 mmol) and 2-fluoro-4-methylthioaniline (375 mg, 2.38 mmol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08101611B2
Source datasetuspto-grants-2012_01
ORD IDord-6eccb4bb41e842ceb60430fd1ac164e4
Source noteuspto-grants-2012_01