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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1827311Generated: November 2, 2026

Acetic Acid → 4(3H)-Quinazolinone, 2-ethyl-3-(phenylmethyl)-

https://huagongshe.com/reaction/1827311

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantBromineHCID 24408—
ReactantHCID 22137673HCID 22137673—
Product4(3H)-Quinazolinone, 2-ethyl-3-(phenylmethyl)-HCID 828255—
ProductHCID 4353710HCID 4353710—

Reaction Steps

2-Ethyl-3-benzyl-quinazolin-4-one is prepared following the procedure set forth in part (A) above, but substituting N-benzyl-2-(propanoylamino)-benzamide for N-(1-benzoylethyl)-2-(formylamino)-benzamide (“Compound E”). Compound E is brominated by heating in acetic acid with bromine to provide 2-(1-bromoethyl)-3-benzyl-quinazolin-4-one (“Compound F”). Compound F is treated with 4-methoxy-aniline in triethylamine to provide 2-(1-(4-methoxyphenylamino)ethyl)-3-benzyl-quinazolin-4-one (“Compound G”). Compound G is then acylated with benzoyl chloride to provide 2-(1-(N-benzoyl-N-(4-methoxyphenyl)-aminoethyl)-3-benzyl-quinazolin-4-one.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07053216B2
Source datasetuspto-grants-2006_05
ORD IDord-d96da94880e1435daf02c9762020baec
Source noteuspto-grants-2006_05