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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2227913Generated: October 29, 2026

Potassium Carbonate → HCID 18474787, compound

https://huagongshe.com/reaction/2227913

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant2-(2-Bromoethyl)-1,3-dioxolaneHCID 87776—
Reactant4-(4-Chloro-2-fluorophenylamino)-7-hydroxy-6-methoxyquinazolineHCID 135513720—
SolventDimethylformamideHCID 6228—
ProductHCID 18474787HCID 1847478717%

Reaction Conditions

Temperature100 °C

Reaction Steps

A solution of 2-(2-bromoethyl)-1,3-dioxolane (258 mg, 1.4 mmol) in DMF (0.5 ml) was added to a mixture of 4-(4-chloro-2-fluoroanilino)-7-hydroxy-6-methoxyquinazoline (329 mg, 1.02 mmol) and potassium carbonate (264 mg, 2 mmol) in DMF (2 ml). The mixture was heated at 100° C. for 3 hours and allowed to cool. The volatiles were removed by evaporation, and the residue partitioned between aqueous sodium hydrogen carbonate solution and methylene chloride. The organic phase was separated and passed through phase separating paper. The solvent was removed by evaporation, and the residue was purified by column chromatography eluting with methylene chloride/methanol (95/5) to give 4-(4-chloro-2-fluoroanilino)-7-(2-(1,3-dioxolan-2-yl)ethoxy)methoxyquinazoline (71 mg, 17%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06414148B1
Source datasetuspto-grants-2002_07
ORD IDord-d557c215028f4118b126261a604eb496
Source noteuspto-grants-2002_07