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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1791599Generated: November 4, 2026

6-Methoxy-7-(3-piperidinopropoxy)-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one → 6-Methoxy-7-(3-piperidinopropoxy)-3,4-dihydroquinazolin-4-one

https://huagongshe.com/reaction/1791599

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-Methoxy-7-(3-piperidinopropoxy)-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-oneHCID 21874807—
SolventAmmoniaHCID 222—
SolventMethanolHCID 887—
Product6-Methoxy-7-(3-piperidinopropoxy)-3,4-dihydroquinazolin-4-oneHCID 13547155395.4%

Reaction Steps

A solution of 6-methoxy-7-(3-piperidinopropoxy)-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one (2.35 g, 5.45 mmol) in 7M ammonia in methanol (50 ml) was stirred overnight at ambient temperature. The volatiles were removed under vacuum and the residue was triturated with ether, filtered and washed with ether followed by ether/methylene chloride (1/1) and dried under vacuum to give 6-methoxy-7-(3-piperidinopropoxy)-3,4dihydroquinazolin-4-one (1.65 g, 95%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07074800B1
Source datasetuspto-grants-2006_07
ORD IDord-014b8f0e02a14648ba8ac29a10e872a5
Source noteuspto-grants-2006_07