Ethoxyquin dimer is an antioxidant and metabolite of ethoxyquin .1 It prevents oxidation of polyunsaturated fatty acids in fish meal and fish oil. Dietary administration of ethoxyquin dimer (0.1, 0.3, and 0.5% w/w) induces microvesicular steatosis and hepatocyte necrosis, as well as increases liver levels of oxidized glutathione and total lipids in mice.2
4-Chloro-6,7-bis(2-methoxyethoxy)quinazoline is a building block and synthetic intermediate.1,2,3,4,5It has been used as a precursor in the synthesis of receptor tyrosine kinase (RTK) inhibitors, dual RTK and histone deacetylase (HDAC) inhibitors, and anticancer compounds.1,2,3It is also a synthetic intermediate in the synthesis of EGFR inhibitors, including erlotinib , with antiproliferative activity.4,5