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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 902433Generated: October 30, 2026

3-Bromoaniline → (3-Bromophenyl)-[7-methoxy-8-(2-morpholin-4-yl-ethoxy)benzo[g]quinazolin-4-yl]-amine dihydrochloride

https://huagongshe.com/reaction/902433

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-BromoanilineHCID 11562—
ReactantPyridinium chlorideHCID 10176127—
Reactant4-Chloro-7-methoxy-8-(2-morpholin-4-yl-ethoxy)benzo[g]quinazolineHCID 25013537—
SolventIsopropanolHCID 3776—
Product(3-Bromophenyl)-[7-methoxy-8-(2-morpholin-4-yl-ethoxy)benzo[g]quinazolin-4-yl]-amine dihydrochlorideHCID 6926973184.3%

Reaction Steps

To a suspension of 0.1 g (0.267 mmol) of 4-chloro-7-methoxy-8-(2-morpholin-4-yl-ethoxy)benzo[g]quinazoline in 3 mL of isopropanol is added 0.055 g (0.321 mmol) of 3-bromoaniline and 0.031 g (0.267 mmol) of pyridine hydrochloride. The mixture is brought to reflux for 15 minutes, then allowed to cool to room temperature. A yellow precipitate forms, which is filtered and washed with cold ethanol. Drying in vacuo provided 0.131 g of (3-bromophenyl)-[7-methoxy-8-(2-morpholin-4-yl-ethoxy)benzo[g]quinazolin-4-yl]-amine dihydrochloride as a yellow solid, mp 266-269° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07365197B2
Source datasetuspto-grants-2008_04
ORD IDord-3b097bf591484e21b00e85c6232002e7
Source noteuspto-grants-2008_04