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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1597227Generated: November 3, 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/1597227

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 numberUS06294532B1
Source datasetuspto-grants-2001_09
ORD IDord-3abf86fb48724c46a06f0d2573998bdb
Source noteuspto-grants-2001_09