Anthraquinone compounds represented by the following formula are useful as dyes: ##STR1## wherein Y stands for a hydrogen atom or a nitro group, Z stands for an oxygen or sulfur atom when Y stands for a hydrogen atom, but Z stands for an oxygen atom when Y stands for a nitro group, R.sub.1 stands for a hydrogen atom or a lower alkyl group, R.sub.3 stands for a halogen atom or a group R.sub.2 wherein R.sub.2 stands for an amino, substituted or unsubstituted lower alkylamino, substituted or unsubstituted arylamino, substituted or unsubstituted alkoxy, substituted or unsubstituted aryloxy, substituted or unsubstituted alkylthio, substituted or unsubstituted arylthio group, or a group ##STR2## Q stands for a nitrogen atom or carbon atom bearing a halogen atom when R.sub.3 stands for a halogen atom, but Q stands for a nitrogen atom when R.sub.3 stands for a group R.sub.2, X stands for a halogen atom, the group ##STR3## links to the benzene ring in the 3'- or 4'-position, and M stands for an alkali metal or hydrogen atom.
以下公式所代表的
蒽醌衍
生物可用作
染料:##STR1## 其中,Y代表氢原子或硝基,Z代表氧原子或
硫原子,当Y代表氢原子时,Z代表氧原子,当Y代表硝基时,Z代表氧原子,R.sub.1代表氢原子或较低的烷基,R.sub.3代表卤素原子或R.sub.2基团,其中R.sub.2代表
氨基,取代或未取代的较低烷基
氨基,取代或未取代的芳基
氨基,取代或未取代的烷氧基,取代或未取代的芳氧基,取代或未取代的烷
硫基,取代或未取代的芳
硫基团,或一个基团##STR2## Q代表氮原子或碳原子,当R.sub.3代表卤素原子时,Q代表带有卤素原子的碳原子,但当R.sub.3代表R.sub.2基团时,Q代表氮原子,X代表卤素原子,该基团##STR3##连接到苯环的3'-或4'-位置,M代表碱
金属或氢原子。