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    • 6. 发明授权
    • Sulfoalkyl aminophenyl disazo dyes
    • 磺基烷基氨基苯基双偶氮染料
    • US3971769A
    • 1976-07-27
    • US376606
    • 1973-07-05
    • James F. Feeman
    • James F. Feeman
    • C09B31/04C09B31/047C09B31/18C09B31/02D06P3/24D06P3/40
    • C07C255/00C09B31/047
    • Compounds useful as light fast yellow, orange and red dyes for natural and synthetic polyamide fibers and for secondary cellulose acetate fibers, have the structure: ##SPC1##WhereinR.sub.1 is alkyl, benzyl, cyclohexyl, --C--CH.sub.2 CH.sub.2 OH, ##EQU1## ##EQU2## --CH.sub.2 CH.sub.2 CN, --CH.sub.2 CH.sub.2 --O--COCH.sub.3, or ##EQU3## R.sub.2 is --H, -alkyl, halogen, --O-- alkyl or --NH--COR.sub.4 ; R.sub.4, as used in R.sub.2, R.sub.3, R.sub.5 and R.sub.6, represents -alkyl, -tolyl, -phenyl or -halophenyl; andB.sub.1 is a benzene ring or a benzene ring substituted with substituents which may be selected from nitro, halogen, cyano, alkyl, alkoxy, trifluoromethyl, alkylsulfonyl, acetyl, carboxamido, sulfonamido, N-alkyl-sulfonamido, N,N-dialkylsulfonamido, N-alkylcarboxamido and carboxyl groups;B.sub.2 is a 1,4-naphthylene or a 1,4-phenylene group of the structure: ##SPC2##WhereinR.sub.5 is --H, alkyl, -alkoxy, or --NHCOR.sub.4 ;R.sub.6 represents --H, alkyl, alkoxy, --NHCOR.sub.4, --NH--SO.sub.2 --R.sub.4 or halogen; andM is --H, --Na, --K, --Li or --NH.sub.4.
    • 用作天然和合成聚酰胺纤维和乙酸纤维素纤维的快速黄色,橙色和红色染料的化合物具有以下结构: