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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 531215Generated: October 31, 2026

Ammonium formate → 4-((4-Fluoro-2-methyl-1H-indol-5-yl)oxy)-6-methoxyquinazolin-7-ol

https://huagongshe.com/reaction/531215

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium formateHCID 2723923—
Reactant7-(Benzyloxy)-4-((4-fluoro-2-methyl-1H-indol-5-yl)oxy)-6-methoxyquinazolineHCID 10151204—
CatalystPalladium hydroxideHCID 9942167—
SolventDimethylformamideHCID 6228—
Product4-((4-Fluoro-2-methyl-1H-indol-5-yl)oxy)-6-methoxyquinazolin-7-olHCID 135530832—

Reaction Steps

4-(4-fluoro-2-methyl-1H-indol-5-yloxy)-7-(benzyloxy)-6-methoxyquinazoline (Compound 2, 0.46 g, 1.1 mmol) was dissolved in N,N-dimethylformamide (10 mL). Palladium hydroxide catalyst (250 mg, 10% on carbon) was added, followed by ammonium formate (0.67 g, 10.6 mmol). The reaction solution was stirred for 2 hours at room temperature. The catalyst was filtered through a CELITE pad, then the solution was evaporated, then dried in high vacuum overnight to generate Compound 3 as a brown solid (0.36 g, 100%) m/z: 340 (M+H, 100%) (positive ionization mode).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09353123B2
Source datasetuspto-grants-2016_05
ORD IDord-87fb2cb6070e4baab28841bff5aa9cb6
Source noteuspto-grants-2016_05