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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1020714Generated: November 2, 2026

Hexamethylphosphoramide → HCID 13544732, compound

https://huagongshe.com/reaction/1020714

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHexamethylphosphoramideHCID 12679—
ReactantPropanenitrile, 3-(methylamino)-HCID 69656—
Reactant2-Chloro-6,7-dimethoxy-4-quinazolinamineHCID 90235—
SolventIsopropanolHCID 3776—
ProductHCID 13544732HCID 1354473263.8%

Reaction Conditions

Temperature100 °C

Reaction Steps

50 gms, 0.208 moles of 4-amino-2-chloro-6,7-dimethoxyquinazoline and 21.2 gms, 0.252 moles of 3-methylaminopropionitrile were charged in a round bottom flask containing 350 ml hexamethylphosphoramide. The reaction mass was stirred at about 100° C. for 9 hours, cooled to a temperature of 25° C. and then charged with 250 ml isopropanol. The reaction mass was further stirred for 15 minutes, filtered and washed with 50 ml isopropanol and subjected to drying at 50° C. for 7-8 hours to yield N-(4-amino-6,7-dimethoxyquinazol-2-yl)-N-methyl-2-cyanoethylamine hydrochloride (43 gms).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08716476B2
Source datasetuspto-grants-2014_05
ORD IDord-8878d411d06542fda798ef97a1ed81f0
Source noteuspto-grants-2014_05