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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1417990Generated: November 4, 2026

4-Aminophenol → 4-(4-Hydroxyanilino)-6-chloropyrimidine

https://huagongshe.com/reaction/1417990

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-AminophenolHCID 403—
ReactantTriethylamineHCID 8471—
Reactant4,6-DichloropyrimidineHCID 70943—
SolventEthanolHCID 702—
Product4-(4-Hydroxyanilino)-6-chloropyrimidineHCID 1800912876%

Reaction Steps

A mixture of 4,6-dichloropyrimidine (3.0 g), 4-aminophenol (2.2 g) and triethylamine (6 ml) in ethanol.(50 ml) was refluxed for 2 hours. The product so obtained was recrystallised from a mixture of ethyl acetate and hexane to give 6-chloro-4-(4'-hydroxyanilino)pyrimidine in 76% yield, m.p. 241-244° C.;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05880130
Source datasetuspto-grants-1999_03
ORD IDord-79faea1fd27c478ab1add66f871f0627
Source noteuspto-grants-1999_03