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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 384822Generated: October 30, 2026

Morpholine → 6-Methoxy-7-(3-morpholinopropoxy)-3,4-dihydroquinazolin-4-one

https://huagongshe.com/reaction/384822

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMorpholineHCID 8083—
Reactant6-Methoxy-7-(3-chloropropoxy)quinazolin-4-oneHCID 135589777—
Product6-Methoxy-7-(3-morpholinopropoxy)-3,4-dihydroquinazolin-4-oneHCID 13543711692%

Reaction Conditions

Temperature105 °C

Reaction Steps

In a 25 mL volume glass vessel equipped with a stirrer, a thermometer and a reflux condenser were placed 2.0 g (7.4 mmol) of 6-methoxy-7-(3-chloropropoxy)quinazolin-4-one prepared by procedures similar to those of Reference Example V-1, and 6.45 g (74 mmol) of morpholine. The resulting mixture was stirred at 105° C. for 4 hours. After the reaction was complete, the reaction mixture was analyzed by high performance liquid chromatography (absolute quantitative analysis). There was produced 2.17 g (reaction yield: 92%) of 6-methoxy-7-(3-morpholinopropoxy)quinazolin-4-one.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08367824B2
Source datasetuspto-grants-2013_02
ORD IDord-8919a99b6db34316ab0f93c2d60f4b88
Source noteuspto-grants-2013_02