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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 507641Generated: October 29, 2026

4-Fluorophenyl isothiocyanate → 1-(5-Chloro-2-(methylthio)pyrimidine-6-carbonyl)-4-(4-fluorophenyl)thiosemicarbazide

https://huagongshe.com/reaction/507641

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Fluorophenyl isothiocyanateHCID 15241—
Reactant5-Chloro-2-(methylthio)pyrimidine-4-carbohydrazideHCID 43244768—
SolventEthanolHCID 702—
Product1-(5-Chloro-2-(methylthio)pyrimidine-6-carbonyl)-4-(4-fluorophenyl)thiosemicarbazideHCID 6020454995.7%

Reaction Steps

5-Chloro-2-(methylthio)pyrimidine-4-carbohydrazide (8.28 g, 38.0 mmol) and 4-fluoro-phenyl isothiocyanate (5.811 g, 38.0) were added to a 1 liter flask. A minimal amount of EtOH was added, just to ensure proper mixing. This suspension was stirred at room temperature overnight. The EtOH was removed under vacuum to give 13.5 g (95% yield) of product as a light yellow solid. MS (M+H)+ 372.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07786132B2
Source datasetuspto-grants-2010_08
ORD IDord-5822cda951114fa99c69e04bd40b6432
Source noteuspto-grants-2010_08