4-Chloro-6,7-bis(2-methoxyethoxy)quinazoline

4-Chloro-6,7-bis(2-methoxyethoxy)quinazoline (Compound 11 and 15) is a building block and synthetic intermediate, which can be used as a precursor in the synthesis of receptor tyrosine kinase (RTK) inhibitors, dual RTK and histone deacetylase (HDAC) inhibitors, and anticancer agents. 4-Chloro-6,7-bis(2-methoxyethoxy)quinazoline can also be used to synthesize EGFR inhibitors, including Erlotinib (HY-50896), with antiproliferative activity.