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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1737620Generated: October 26, 2026

6-methoxy-7-(2-(N-methyl-N-(6-methylpyrimidin-4-yl)amino)ethoxy)-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one → 6-methoxy-7-(2-(N-methyl-N-(6-methylpyrimidin-4-yl)amino)ethoxy)-3,4-dihydroquinazolin-4-one

https://huagongshe.com/reaction/1737620

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-methoxy-7-(2-(N-methyl-N-(6-methylpyrimidin-4-yl)amino)ethoxy)-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-oneHCID 22625087—
SolventAmmoniaHCID 222—
Product6-methoxy-7-(2-(N-methyl-N-(6-methylpyrimidin-4-yl)amino)ethoxy)-3,4-dihydroquinazolin-4-oneHCID 13567117692%

Reaction Steps

A solution of 6-methoxy-7-(2-(N-methyl-N-(6-methylpyrimidin-4-yl)amino)ethoxy)-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one (365 mg, 0.8 mmol) in methanolic ammonia (30 ml of a 3M solution) was stirred at ambient temperature for 16 hours. The volatiles were removed by evaporation, the residue was triturated with ether, the solid was collected by filtration, washed with ether and dried under vacuum to give 6-methoxy-7-(2-(N-methyl-N-(6-methylpyrimidin-4-yl)amino)ethoxy)-3,4-dihydroquinazolin-4-one (250 mg, 92%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05962458
Source datasetuspto-grants-1999_10
ORD IDord-d1a459649f9d4dfaa91cfcbe3f839085
Source noteuspto-grants-1999_10