It has been used in the synthesis of: blue disperse dyes; 7-bromo-5-iodo-4-oxo-1,4-dihydroquinoline-2-carboxylic acid; diphenols-amides such as N-(2,6-dibromo-4-nitrophenyl)-4,4-bis(4-hydroxyphenyl)-pentanamide and N-(2,6-diiodo-4-nitrophenyl)-4,4-bis(4-hydroxyphenyl)-pentanamide. It has been used in the synthesis of: blue disperse dyes; 7-bromo-5-iodo-4-oxo-1,4-dihydroquinoline-2-carboxylic acid; diphenols-amides such as N-(2,6-dibromo-4-nitrophenyl)-4,4-bis(4-hydroxyphenyl)-pentanamide and N-(2,6-diiodo-4-nitrophenyl)-4,4-bis(4-hydroxyphenyl)-pentanamide.