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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 916472Generated: October 30, 2026

Potassium Carbonate → 7-[2-(4-Acetylpiperazin-1-yl)ethoxy]-4-(7-azaindol-5-yloxy)-6-methoxyquinazoline

https://huagongshe.com/reaction/916472

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant1H-Pyrrolo[2,3-b]pyridin-5-olHCID 22030722—
Reactant7-[2-(4-Acetylpiperazin-1-yl)ethoxy]-4-chloro-6-methoxyquinazolineHCID 58960240—
SolventDimethylacetamideHCID 31374—
Product7-[2-(4-Acetylpiperazin-1-yl)ethoxy]-4-(7-azaindol-5-yloxy)-6-methoxyquinazolineHCID 1031069080.5%

Reaction Conditions

Temperature85 °C

Reaction Steps

A mixture of 7-[2-(4-acetylpiperazin-1-yl)ethoxy]-4-chloro-6-methoxyquinazoline (224 mg, 0.61 mmol), (prepared as described for the starting material in Example 28), 5-hydroxy-7-azaindole (91 mg, 0.68 mmol), (prepared as described for the starting material in Example 2), and potassium carbonate (94 mg, 0.68 mmol) in DMA (5 ml) was stirred at 85° C. for 2 hours, allowed to cool to ambient temperature and the solvent evaporated under vacuum. The residue was purified by column chromatography eluting with methylene chloride/methanol (saturated with ammonia) (95/5) to give a white solid. This was triturated with acetone, filtered and dried to give 7-[2-(4-acetylpiperazin-1-yl)ethoxy]-4-(7-azaindol-5-yloxy)-6-methoxyquinazoline (227 mg, 80%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07268230B2
Source datasetuspto-grants-2007_09
ORD IDord-8279cd04376a4ea2bc2d445760983e3b
Source noteuspto-grants-2007_09