The present invention concerns highly water-soluble phenoxazines dyes of formula (I)
wherein R
1
, R
2
, R
3
, R
4
, R
5
and R
6
have the meaning defined in the claim, with improved photochemical properties, low toxicity, and favourable solubility in water. It also concerns a method for their preparation.
本发明涉及具有改进的光
化学性质、低毒性和良好的
水溶性的公式(I)中R1、R2、R3、R4、R5和R6的含义如权利要求中所定义的高度
水溶性苯氧氮菁
染料。本发明还涉及它们的制备方法。