申请人:Jordan Hartwig
公开号:US20100064452A1
公开(公告)日:2010-03-18
The present invention concerns dyes of the general formula I
where
X and Y represent hydrogen, bromine or chlorine, but not simultaneously hydrogen;
R represents F, Cl, Br, COOR
1
or CF
3
;
R′ represents H or F;
R
1
represents C
1
-C
6
-alkyl; and
one of W
1
and W
2
represents hydroxyl and the other nitro and Y is always ortho to the hydroxyl group;
but not compounds in which R represents Cl attached to the phenyl nucleus in a is position ortho to the NH group nor compounds in which W
1
represents nitro, W
2
represents hydroxyl, Y represents hydrogen, X represents chlorine and R represents bromine attached to the phenyl nucleus in a position meta to the NH group, mixtures with further dyes, and also their preparation and use.
本发明涉及一般式I的染料,其中X和Y代表氢、溴或氯,但不能同时为氢;R代表F、Cl、Br、COOR1或CF3;R'代表H或F;R1代表C1-C6-烷基;W1和W2中的一个代表羟基,另一个代表硝基,且Y始终位于羟基的邻位;但不包括R代表连接到苯环中NH基邻位的氯的化合物,也不包括W1代表硝基、W2代表羟基、Y代表氢、X代表氯以及R代表连接到苯环中NH基间位的溴的化合物,以及与其他染料的混合物,以及它们的制备和使用。