反应详情

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.

1. temperatureto reflux for 15 minutes
2. filtrationA yellow precipitate forms, which is filtered
3. washwashed with cold ethanol
4. customDrying in vacuo