A novel process for preparing a aminophenyl-triazines of the formula (I′), comprises reacting a corresponding halogenophenyltriazine of the formula (I″), with an amine of the formula (IX), H—NR′
2
R′
3
, wherein X is chloro or preferably fluoro and the symbols A, A′, R′
2
, R′
3
and R
44
are organic residues as defined in claim
1
. Products of this process and derivatives thereof are useful as stabilizers and UV absorbers for protecting an organic material against damage by light, oxygen and/or heat, or as recording dye in an optical recording medium, especially for writing or reading digital information in a recording layer using laser radiation of wavelength less than 450 nm.
一种制备式(I′)
氨基苯基三嗪的新工艺,包括将相应的式(I″)卤代苯基三嗪与式(IX)胺反应,H-NR′.
2
R′
3
其中 X 是
氯或最好是
氟,符号 A、A′、R′
2
, R′
3
和 R
44
是如权利要求
1
.本工艺的产品及其衍
生物可用作稳定剂和
紫外线吸收剂,以保护有机材料免受光、氧和/或热的损害,或用作光学记录介质中的记录
染料,特别是用于使用波长小于 450 纳米的激光辐射在记录层中写入或读取数字信息。