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    • 60. 发明授权
    • Thiophen-2-ylazopyrazole compounds as colorants for textile fibers
    • 噻吩-2-基吡唑化合物作为纺织纤维的着色剂
    • US4568738A
    • 1986-02-04
    • US590809
    • 1984-03-19
    • Max A. WeaverClarence A. Coates, Jr.
    • Max A. WeaverClarence A. Coates, Jr.
    • C09B29/00C09B29/46C09B29/033C09B29/36D06P3/26D06P3/36
    • C09B29/3652C09B29/0059
    • Thiophen-2-ylazopyrazole dyes useful for dyeing polyesters, cellulose acetate esters, and polyamides in fast yellow shades have the general formula: ##STR1## wherein: X is alkyl, allyloxy, alkoxy, aryl, aryloxy, amino, alkylamino, arylamino, cyclohexyloxy,, thienyl, cycloalkylamino, N,N-dialkylamino, or N-alkyl-N-arylamino; Y is hydrogen, alkyl, or aryl; Z is alkyl, aryl, alkylsulfonyl, 2-benzothiazolyl, cyano or COX; R and R.sub.1 are alkyl or aryl; R.sub.2 is hydrogen, alkyl, aryl, acyl, benzothiazolyl, pyridyl, sulfolanyl, quinolyl, thiocarbamyl, carbamyl, alkoxycarbonyl, aroyl, aryl-carbamyl and alkanoyl; and wherein the hydrocarbon moieties of the above radicals may be substituted with up to three of --OH, alkoxy, hydroxyalkoxy, carbamyl, and similar groups conventionally used in the azo dye art.
    • 用于染色聚酯,乙酸纤维素酯和聚酰胺的噻吩-2-基吡唑类染料具有以下通式:其中:X为烷基,烯丙氧基,烷氧基,芳基,芳氧基,氨基,烷基氨基,芳基氨基,环己氧基 ,噻吩基,环烷基氨基,N,N-二烷基氨基或N-烷基-N-芳基氨基; Y是氢,烷基或芳基; Z是烷基,芳基,烷基磺酰基,2-苯并噻唑基,氰基或COX; R和R 1是烷基或芳基; R2是氢,烷基,芳基,酰基,苯并噻唑基,吡啶基,环丁砜基,喹啉基,硫代氨基甲酰基,氨基甲酰基,烷氧基羰基,芳酰基,芳基 - 氨基甲酰基和烷酰基。 并且其中上述基团的烃部分可被至多三个-OH,烷氧基,羟基烷氧基,氨基甲酰基以及常规用于偶氮染料领域的类似基团取代。