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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2227919Generated: November 2, 2026

Potassium Carbonate → HCID 22478236, compound

https://huagongshe.com/reaction/2227919

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant1,3-Dioxolane, 2-(bromomethyl)-HCID 78068—
Reactant4-(4-Chloro-2-fluorophenylamino)-7-hydroxy-6-methoxyquinazolineHCID 135513720—
SolventDimethylformamideHCID 6228—
ProductHCID 22478236HCID 2247823639.5%

Reaction Conditions

Temperature100 °C

Reaction Steps

A solution of 2-(bromomethyl)-1,3-dioxolane (190 mg, 1.1 mmol) in DMF (1 ml) was added to 4-(4-chloro-2-fluoroanilino)-7-hydroxy-6-methoxyquinazoline (258 mg, 0.81 mmol), (prepared as described for the starting material in Example 2), and potassium carbonate (200 mg, 1.5 mmol) in DMF (2 ml). The mixture was heated at 100° C. for 4 hours and then allowed to cool. The volatiles were removed by evaporation and the residue partitioned between water and methylene chloride. The organic phase was separated, passed through phase separating paper and purified by column chromatography eluting with methylene chloride/methanol (95/5) to give 4-(4-chloro-2-fluoroanilino)-7-(1,3-dioxolan-2-ylmethoxy)-6-methoxyquinazoline (130 mg, 38%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06414148B1
Source datasetuspto-grants-2002_07
ORD IDord-2c47d1a4b3c043db88f7b40bd5b1b4b9
Source noteuspto-grants-2002_07