申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0368750A2
公开(公告)日:1990-05-16
Substituted aminoantraquinone compounds, which are used for dye stuffs or intermediate thereof, represented by the formula (II)
wherein R₃ represents a C₁-C₆ alkyl group which may be substituted, X represents a hydrogen atom, -COR₁ or -SO₂R₂ wherein R₁ and R₂ each represents a substituted or unsubstituted C₁-C₄ alkyl or C₆-C₁₂ aryl group, and Y and Z represent independently a hydrogen atom, a halogen atom, a nitro group or a C₁-C₄ alkyl group,is prepared by allowing anthraquinone compounds represented by the formula (I)
wherein X, Y and Z are as defined above, to react with alkylating agents in organic solvents in the presence of organic quaternary ammonium salts and alkalis.
用于染料或其中间体的取代氨基蒽醌化合物,由式(II)表示
其中 R₃ 代表可能被取代的 C₁-C₆ 烷基,X 代表氢原子、-COR₁ 或 -SO₂ 其中 R₁ 和 R₂ 各自代表取代或未取代的 C₁-C₄ 烷基或 C₆-C₁₂ 芳基、以及 Y 和 Z 独立地代表氢原子、卤素原子、硝基或 C₁-C₄ 烷基。
其中 X、Y 和 Z 如上定义,在有机季铵盐和碱存在下,在有机溶剂中与烷化剂反应。