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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1351195Generated: November 4, 2026

4-Chloroaniline → HCID 21098398, compound

https://huagongshe.com/reaction/1351195

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-ChloroanilineHCID 7812—
Reactant6-Acetoxy-7-methoxy-3H-quinazolin-4-oneHCID 135681960—
CatalystDimethylformamideHCID 6228—
SolventThionyl ChlorideHCID 24386—
ProductHCID 21098398HCID 21098398—

Reaction Conditions

Temperature100 °C

Reaction Steps

To a solution of 6-acetoxy-7-methoxy-quinazolin-4-one (RO0505111-000) (1.0 g, 4.26 mmol) (from Example 15, Step A, supra) in SOCl2 (12.5 mL) (Aldrich) was added a few drops of DMF (0.1 mL). The reaction mixture was then heated with stirring at 100° C. for 3 hours. The solvents were evaporated and the residue was dried in vacuo. The residue was dissolved in 2-propanol (20 mL), then 4-chloroaniline (0.6 g, 4.69 mmol) (Fluka) was added. The reaction mixture was heated at 110° C. for 3 hours. The reaction mixture was cooled to room temperature and filtered. The precipitate was collected and dried in vacuo to give 6-acetoxy-4-(4-chloro-phenylamino)-7-methoxy-quinazoline as a gray solid. (Yield 1.45 g, 99%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07217717B2
Source datasetuspto-grants-2007_05
ORD IDord-4cd0afffd62641ea950ffa06de89923e
Source noteuspto-grants-2007_05