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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1421057Generated: November 2, 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/1421057

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 numberUS06071921
Source datasetuspto-grants-2000_06
ORD IDord-3841ba74b2bf4d8b94be8b4f6f9dd9eb
Source noteuspto-grants-2000_06