D. W. Rangnekar, P. Tagdiwala
1986
Citations
0
Influential Citations
13
Citations
Journal
Dyes and Pigments
Abstract
Abstract 6-Nitro-2-chloroquinoxaline ( 3 ), obtained from quinoxalin-2-one ( 1 ) by nitration and subsequent treatment with phosphorus oxychloride, was condensed with amines, alcohols and phenols to give 6-nitro-2-substituted quinoxalines ( 5a – 5d , 8a – 8b and 11a – 11b ). The nitro compounds were reduced to the corresponding amino compounds ( 6a – 6d , 9a – 9b and 12a – 12b ) and then acetylated to yield 6-acetamido-2-substituted quinoxalines ( 7a – 7d , 10a – 10b and 13a – 13b ). 6-Nitro-2-substituted amino quinoxalines ( 5a – 5d ) and 6-acetamido-2-substituted quinoxalines ( 7a – 7d , 10a – 10b and 13a – 13b ) were evaluated as disperse dyes and fluorescent whiteners respectively on polyester fibres.