SYNTHESIS AND CHARACTERISATION OF REACTIVE DYES FROM QUINAZOLINONE DERIVATIVES AND THEIR COLOUR ASSESSMENT ON COTTON FABRIC  

2021-10-26
A series of monoazo reactive dyes with quinazolinone moiety were synthesised starting with the synthesis of 6,7-dimethoxy-2-phenyl-4H-benzo[d][1,3]oxazin-4-one from 2-amino-4,5- dimethoxybenzoic acid and fusing with different di-amino compounds to give dye ...