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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 50530Generated: October 30, 2026

Aniline → 2-Chloro-4-phenyl-amino-quinazoline

https://huagongshe.com/reaction/50530

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAnilineHCID 6115—
ReactantDiisopropylethylamineHCID 81531—
Reactant2,4-DichloroquinazolineHCID 252886—
SolventIsopropanolHCID 3776—
Product2-Chloro-4-phenyl-amino-quinazolineHCID 22639808—

Reaction Steps

A solution of 2,4-dichloro-quinazoline (15 g), N,N-diisopropyl-ethylamine (24.9 ml) and aniline (7.5 ml) in isopropanol (75 ml) is heated to reflux for 45 min. The cold reaction mixture is filtered and the filtrate is concentrated in vacuo. The residue is crystallized from diethylether-toluene (1:1) to give 2-chloro-4-phenyl-amino-quinazoline, m.p. 194-196° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06713265B1
Source datasetuspto-grants-2004_03
ORD IDord-863117d32ae64f76915b8f912d2e142a
Source noteuspto-grants-2004_03