| abstract |
A quinazoline derivative of a nitrogen-containing heterocyclic segment, which has the following general formula. Experiments have shown that quinazoline derivatives of nitrogen-containing heterocyclic fragments have different inhibitory effects on human breast cancer cells (MCF-7), lung cancer epithelial cells (A549) and human cervical cancer cell lines (Hela), so They may be used in the preparation of anticancer drugs. The invention discloses a method for preparing quinazoline derivatives of nitrogen-containing heterocyclic segments. where R is: . |