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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1984227Generated: November 3, 2026

Water → 4-(2,2-Dimethyl-propylamino)-6-{3-[4-(2-methoxy-ethyl)-piperazin-1-yl]-propoxy}-quinazoline-2-carbonitrile

https://huagongshe.com/reaction/1984227

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantCesium carbonateHCID 10796—
Reactant1-(3-Chloro-propyl)4-propyl-piperazineHCID 61287108—
Reactant4-(2,2-Dimethyl-propylamino)-6-hydroxy-quinazoline-2-carbonitrileHCID 68647238—
SolventDimethylformamideHCID 6228—
Product4-(2,2-Dimethyl-propylamino)-6-{3-[4-(2-methoxy-ethyl)-piperazin-1-yl]-propoxy}-quinazoline-2-carbonitrileHCID 68647784—

Reaction Steps

4-(2,2-Dimethyl-propylamino)-6-hydroxy-quinazoline-2-carbonitrile (0.31 mmol), 1-(3-chloro-propyl)-4-propyl-piperazine (0.62 mmol) and cesium carbonate (3.1 mmol) are stirred in DMF (3 ml) at RT for 20 hours. Water is added until a clear solution is formed. Then more water is added until the solution gets turbide. The precipitate formed is filtered off, washed with water and dried (vacuum). A powder with mp. 92-94° C., Rf=0.45 (CH2Cl2/MeOH=9:2) is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07544688B2
Source datasetuspto-grants-2009_06
ORD IDord-d0895685290f4de9a11fd03f31b362c7
Source noteuspto-grants-2009_06