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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 454258Generated: October 27, 2026

7-(2-(Imidazol-1-yl)ethoxy)-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one → 7-(2-(Imidazol-1-yl)ethoxy)-6-methoxy-3,4-dihydroquinazolin-4-one

https://huagongshe.com/reaction/454258

Reaction equation

Participants

RoleNameHCIDCharge
Reactant7-(2-(Imidazol-1-yl)ethoxy)-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-oneHCID 22030782—
SolventAmmoniaHCID 222—
Product7-(2-(Imidazol-1-yl)ethoxy)-6-methoxy-3,4-dihydroquinazolin-4-oneHCID 13549084490%

Reaction Steps

A solution of 7-(2-(imidazol-1-yl)ethoxy)-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one (640 mg, 1.6 mmol) in saturated methanolic ammonia (10 ml) was stirred for 15 hours at ambient temperature. The volatiles were removed by evaporation, the solid was triturated with ether, collected by filtration and dried under vacuum to give 7-(2-(imidazol-1-yl)ethoxy)-6-methoxy-3,4-dihydroquinazolin-4-one (412 mg, 90%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08492560B2
Source datasetuspto-grants-2013_07
ORD IDord-505472434a0240828e3f6ac86cec1d21
Source noteuspto-grants-2013_07