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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2068120Generated: November 3, 2026

Potassium Carbonate → HCID 10173984, compound

https://huagongshe.com/reaction/2068120

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant1H-Pyrrolo[2,3-b]pyridin-5-olHCID 22030722—
Reactant4-Chloro-7-{2-[4-(2-fluoroethyl)piperazin-1-yl]ethoxy}-6-methoxyquinazolineHCID 58960231—
SolventDimethylacetamideHCID 31374—
ProductHCID 10173984HCID 1017398456.1%

Reaction Conditions

Temperature85 °C

Reaction Steps

4-Chloro-7-{2-[4-(2-fluoroethyl)piperazin-1-yl]ethoxy}-6-methoxyquinazoline (172 mg, 0.47 mmol) was dissolved in dimethylacetamide (5 ml). 5-Hydroxy-7-azaindole (69 mg, 0.51 mmol), (prepared as described for the starting material in Example 2), and potassium carbonate (71 mg, 0.51 mmol) were added and the mixture heated to 85° C. for 4 hours. The reaction mixture was cooled, filtered and concentrated. The resulting residue was purified by column chromatography eluting with methylene chloride/methanol (saturated with ammonia) (94/6). The fractions containing the expected product were evaporated under vacuum and the residue was suspended in acetone, filtered and dried under vacuum to give 4-(7-azaindol-5-yloxy)-7-(2-[4-(2-fluoroethyl)piperazin-1-yl]ethoxy)-6-methoxyquinazoline (123 mg, 56%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08293902B2
Source datasetuspto-grants-2012_10
ORD IDord-e202ec3e889a405f8414374e70344d38
Source noteuspto-grants-2012_10