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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 454169Generated: October 31, 2026

Water → HCID 9802280, compound

https://huagongshe.com/reaction/454169

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 22030960HCID 22030960—
Reactant7-HydroxyquinolineHCID 135426866—
SolventDimethyl SulfoxideHCID 679—
ProductHCID 9802280HCID 980228055%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 4-chloro-6-methoxy-7-(2-(2-methoxyethoxy)ethoxy)quinazoline (200 mg, 0.64 mmol), potassium carbonate (102 mg, 0.74 mmol) and 7-hydroxyquinoline (107 mg, 0.74 mmol) in DMSO (5 ml) was stirred at 100° C. for 5 hours and allowed to cool to ambient temperature. The mixture was poured into water, washed with dichloromethane and extracted twice with a 10/1 mixture of dichloromethane/methanol. The extracts were washed with water and brine, dried over magnesium sulphate, filtered and the filtrate evaporated under vacuum. The residue was purified by silica column chromatography, eluting with dichloromethane/methanol/0.880 aqueous ammonia (100/8/1) to give an oil which crystallised on trituration with ether to give 6-methoxy-7-(2-(2-methoxyethoxy)ethoxy)-4-(quinolin-7-yloxy)quinazoline (148 mg, 55%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08492560B2
Source datasetuspto-grants-2013_07
ORD IDord-02a1cca2edbd4f58a46ccff2b7ab1fa8
Source noteuspto-grants-2013_07