Monoazo dyes of the benzothiazole series, their preparation and use in dyeing or printing hydrophobic fibres
申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0013809A1
公开(公告)日:1980-08-06
A compound of the formula,
wherein R, is an alkyl group having 4 to 9 carbon atoms, R2 is an alkyl group having 1 to 6 carbon atoms, a cyano- or halogen-substitued alkyl group having 1 to 6 carbon atoms, R3 is a hydrogen atom or a lower alkyl, amino or phenyl group, and Y, and Y2 represent independently a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a nitro group, a cyano group, a thiocyanate group or an alkylsulfonyl group, provided that both Y, and Y2 are not hydrogen at the same time and Y, is located at the 4- or 5-position, which is useful for dyeing hydrophobic fibers in brilliant red to violet shade with good fastnesses. A method of preparation of the compound is described.
式中的化合物
其中 R 是具有 4 至 9 个碳原子的烷基,R2 是具有 1 至 6 个碳原子的烷基、具有 1 至 6 个碳原子的氰基或卤代烷基,R3 是氢原子或低级烷基、氨基或苯基,Y 和 Y2 独立地代表氢原子、低级烷基、低级烷氧基、卤素原子、硝基、氰基、硫氰酸基或烷基磺酰基、只要 Y 和 Y2 不同时为氢原子,且 Y 位于 4 位或 5 位,则该化合物可用于对疏水性纤维进行艳红至紫色染色,且染色牢度良好。该化合物的制备方法已予描述。