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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1737625Generated: November 2, 2026

3-Aminophenol → 4-(3-Hydroxyanilino)-7-(2-(imidazol-1-yl)ethoxy)-6-methoxyquinazoline hydrochloride

https://huagongshe.com/reaction/1737625

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-AminophenolHCID 11568—
Reactant4-Chloro-6-methoxy-7-(2-(imidazol-1-yl)ethoxy)quinazolineHCID 11141261—
SolventHydrochloric AcidHCID 313—
SolventIsopropanolHCID 3776—
Product4-(3-Hydroxyanilino)-7-(2-(imidazol-1-yl)ethoxy)-6-methoxyquinazoline hydrochlorideHCID 2262505093%

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of 4-chloro-7-(2-(imidazol-1-yl)ethoxy)-6-methoxyquinazoline (49 mg, 0.16 mmol) and 3-hydroxyaniline (21 mg, 0.19 mmol) in isopropanol (3 ml) and isopropanolic hydrogen chloride (0.2 ml of a 5M solution) was stirred at 80° C. for 1 hour. The precipitated solid was collected by filtration, washed with isopropanol and ether and dried under vacuum to give 4-(3-hydroxyanilino)-7-(2-(imidazol-1-yl)ethoxy)-6-methoxyquinazoline hydrochloride (56 mg, 93%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05962458
Source datasetuspto-grants-1999_10
ORD IDord-e001f4e1d6604f1aa3816ad65e046c62
Source noteuspto-grants-1999_10