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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1869066Generated: November 1, 2026

Benzenamine, 3-ethynyl- → (6,7-Dimethoxyquinazolin-4-yl)-(3-ethynylphenyl)-amine Hydrochloride

https://huagongshe.com/reaction/1869066

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenamine, 3-ethynyl-HCID 104682—
Reactant4-Chloro-6,7-dimethoxyquinazolineHCID 2769364—
SolventIsopropanolHCID 3776—
Product(6,7-Dimethoxyquinazolin-4-yl)-(3-ethynylphenyl)-amine HydrochlorideHCID 18925020—

Reaction Steps

4-Chloro-6,7-dimethoxyquinazoline (250 mg, 1.12 mmol) and 3-ethynyl-aniline (137 mg, 1.17 mmol) were refluxed in 10 mL of isopropyl alcohol for 0.5 hour, cooled and filtered to afford solid title product which was washed with 10 mL of isopropyl alcohol and dried in vacuo, at 70° C., 338 mg (99%); mp 269°-270° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUSRE041065E1
Source datasetuspto-grants-2009_12
ORD IDord-2338bef04fcc4f658498820c0c284268
Source noteuspto-grants-2009_12