申请人:Bayer Aktiengesellschaft
公开号:US04689171A1
公开(公告)日:1987-08-25
Dyestuffs of the formula ##STR1## in which Y.sub.1, Y.sub.2, Y.sub.3, Y.sub.4 designate hydrogen, halogen, nitro, amino, alkylamino, arylamino, cycloalkylamino, aralkylamino, alkylthio, arylthio, cycloalkylthio, aralkylthio or hydroxyl, it being possible for the hydrocarbon radicals to be sustituted, with the proviso that (a) at least one of the substituents Y.sub.1, Y.sub.2, Y.sub.3 or Y.sub.4 does not denote hydrogen, (b) a maximum of two of the substituents Y.sub.1, Y.sub.2, Y.sub.3 and Y.sub.4 designate halogen and either (c.sub.1) X.sub.1, X.sub.3 represent halogen, --R.sub.1, --OR.sub.1 or --SR.sub.1, R.sub.1 denoting optionally substituted alkyl, it being possible for the alkyl chain to be substituted by an oxygen atom or several non-adjacent oxygen atoms, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted aralkyl or an optionally substituted heterocyclic radical and X.sub.2 designating hydrogen, or (c.sub.2) X.sub.1, X.sub.2 denote halogen, ##STR2## m' designating 0, 1, 2, or 3, m designating 0, 2 or 3, R.sub.2 designating halogen, --CF.sub.3, --CN, --OR.sub.1, --SR.sub.1, --R.sub.1, ##STR3## R.sub.3 designating hydrogen or R.sub.2 and R.sub.4 designating hydrogen, alkyl, halogen, alkoxy or --CO.sub.2 R.sub.1 and X.sub.3 representing hydrogen, or (c.sub.3) X.sub.1 designates halogen, X.sub.2 designates --OR.sub.1 or --SR.sub.1 and X.sub.3 designates hydrogen, their preparation and use and dichroic material containing these anthraquinone dyestuffs.
公式为##STR1##的染料,其中Y.sub.1,Y.sub.2,Y.sub.3,Y.sub.4代表氢,卤素,硝基,氨基,烷基氨基,芳基氨基,环烷基氨基,芳基烷基氨基,烷基硫基,芳基硫基,环烷基硫基,芳基烷硫基或羟基,其中碳氢基团可以被取代,但需满足以下条件:(a)至少有一个取代基Y.sub.1,Y.sub.2,Y.sub.3或Y.sub.4不代表氢,(b)最多两个取代基Y.sub.1,Y.sub.2,Y.sub.3和Y.sub.4代表卤素,且(c.sub.1)X.sub.1,X.sub.3代表卤素,--R.sub.1,--OR.sub.1或--SR.sub.1,其中R.sub.1代表可选择取代的烷基,其烷基链可以被一个氧原子或几个不相邻的氧原子取代,可选择取代的芳基,可选择取代的环烷基,可选择取代的芳基烷基或可选择取代的杂环基团,且X.sub.2代表氢,或(c.sub.2)X.sub.1,X.sub.2代表卤素,##STR2##其中m'代表0、1、2或3,m代表0、2或3,R.sub.2代表卤素,--CF.sub.3,--CN,--OR.sub.1,--SR.sub.1,--R.sub.1,##STR3##其中R.sub.3代表氢或R.sub.2,R.sub.4代表氢,烷基,卤素,烷氧基或--CO.sub.2 R.sub.1,X.sub.3代表氢,或(c.sub.3)X.sub.1代表卤素,X.sub.2代表--OR.sub.1或--SR.sub.1,X.sub.3代表氢,其制备和使用,以及含有这些蒽醌染料的二色性材料。