反应详情

5.0 g of 4-chloro-6,7-bis(2-methoxyethoxy) quinazoline was suspended in 75 ml of water and 2.55 g of 3-aminophenyl acetylene was added at 25-30° C. followed by 1.0 ml of 50% hydrochloric acid. The reaction mass was heated at 35- 40° C. for 1 hour. The solid obtained was filtered and washed with water. The product was dried at 40-45° C. to obtain 5.8 g of erlotinib hydrochloride.

1. temperatureThe reaction mass was heated at 35- 40° C. for 1 hour
2. customThe solid obtained
3. filtrationwas filtered
4. washwashed with water
5. customThe product was dried at 40-45° C.