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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 429015Generated: October 26, 2026

Aniline → 2-chloro-N-phenylquinazolin-4-amine

https://huagongshe.com/reaction/429015

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAnilineHCID 6115—
ReactantDiisopropylethylamineHCID 81531—
Reactant2,4-DichloroquinazolineHCID 252886—
SolventIsopropanolHCID 3776—
Product2-chloro-N-phenylquinazolin-4-amineHCID 317908—

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-phenylamino-quinazoline, m.p. 194-196° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06316203B1
Source datasetuspto-grants-2001_11
ORD IDord-ce3ea6161b1e453eb066c585f6a0c5fe
Source noteuspto-grants-2001_11