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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1630361Generated: November 2, 2026

Phenylhydrazine → HCID 67171244, compound

https://huagongshe.com/reaction/1630361

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylhydrazineHCID 7516—
ReactantTriethylamineHCID 8471—
Reactant4-Chloro-2-(methylthio)pyrimidine-5-carboxylic acid ethyl esterHCID 80008—
SolventTetrahydrofuranHCID 8028—
ProductHCID 67171244HCID 67171244—

Reaction Steps

60 mL of triethylamine was added to tetrahydrofuran (200 mL) solution of 25 g of ethyl 4-chloro-2-(methylthio)pyrimidine-5-carboxylate and 12.7 mL of phenylhydrazine, and stirred at room temperature for 18 hours. The solvent was concentrated under reduced pressure, water was added to the residue, then washed with ether, and made acidic with aqueous 5 N hydrochloric acid solution added thereto. The precipitated solid was taken out through filtration, and washed with water and 2-propanol to obtain 10.8 g of the entitled compound as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08791125B2
Source datasetuspto-grants-2014_07
ORD IDord-f549996f8138440eac87eaafb69d0064
Source noteuspto-grants-2014_07