Reactive dyes which, in the free acid form, are of Formula (1) and optionally substituted phenylene diamine compounds useful as intermediates therefor:
wherein:
Dis optionally substituted phenyl or optionally substituted naphthyl;
Kis optionally substituted phenylene or optionally substituted naphthylene;
R¹ and R⁴are each independently H or optionally substituted alkyl;
R² and R³are each independently H or optionally substituted alkyl, provided at least one of R² and R³ is optionally substituted alkyl;
Bis H, optionally substituted alkyl or optionally substituted aryl;
each Ais H or a substituent; and
Lis an optionally substituted divalent organic radical.
游离酸形式为式(1)的活性
染料和可用作其中间体的任选取代的亚苯基二胺化合物:
其中
Dis 任选取代的苯基或任选取代的
萘基;
K 是任选取代的苯基或任选取代的
萘基;
R¹ 和 R⁴ 各自独立地为 H 或任选取代的烷基;
R² 和 R³ 各自独立地为 H 或任选取代的烷基,条件是 R² 和 R³ 中至少有一个是任选取代的烷基;
双 H、任选取代的烷基或任选取代的芳基;
每个 A 是 H 或取代基;以及
Lis 一个任选取代的二价有机基。