Afatinib Impurity 4

Uses

N-(3,4-Dichlorophenyl)-7-fluoro-6-nitroquinazolin-4-amine is a useful synthetic intermediate in the synthesis of Afatinib (A355300); an aminocrotonylamino-substituted quinazoline derivative used for treating cancer and diseases of the respiratory tract, lungs, gastrointestinal tract, bile duct, and gallbladder.