Anthraquinone dyes of formula
wherein
R
1
, R
2
and R
3
are each independently of one another hydrogen or unsubstituted or substituted C
1
-C
12
alkyl,
X
1
is chloro or fluoro,
B
1
is methylene-phenylene-methylene which is unsubstituted or substituted in the phenylene ring by C
1
-C
4
alkyl, C
1
-C
4
alkoxy, C
2
-C
4
alkanoylamino, halogen, carboxy or sulfo, or is a radical of formula —(CH
2
)
3
—CH(CH
3
)—CH
2
—, —CH
2
—CH
2
—CH(C
2
H
5
)—, —CH
2
—CH(OH)—CH
2
— or —CH
2
—C(CH
3
)
2
—CH
2
—,
Y is hydrogen, unsubstituted or substituted C
1
-C
12
alkyl, or phenyl or naphthyl, each unsubstituted or substituted by C
1
-C
4
alkyl, C
1
-C
4
alkoxy, C
2
-C
4
alkanoylamino, halogen, carboxy, sulfo or a radical of formula —SO
2
-Z, wherein
Z is a group of formula —CH═CH
2
or —CH
2
—CH
2
—U
1
, and U
1
is a leaving group, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials in high tinctorial yield and give dyeings and prints of good fastness properties.
Anthraquinone
染料的
化学式为其中R1,R2和R3各自独立地为氢或未取代或取代的C1-C12烷基,X1为
氯或
氟,B1为未取代或取代的苯环中的C1-C4烷基,C1-C4烷氧基,C2-C4酰胺基,卤素,羧基或
磺酸基的亚甲基-苯环-亚甲基,或者为式—(
CH2)3—CH(
CH3)— —,— — —CH(
C2H5)—,— —CH(OH)— —或— —C( )2— —的基团,Y为氢,未取代或取代的C1-C12烷基,苯基或
萘基,每个未取代或取代的C1-C4烷基,C1-C4烷氧基,C2-C4酰胺基,卤素,羧基,
磺酸基或式—SO2-Z的基团,其中Z为式—CH═ 或— — —U1的基团,U1为离去基团。这些
染料特别适用于高色素收率的染色或印刷
纤维素纤维材料或天然或合成聚酰胺纤维材料,并给出具有良好耐久性能的染色和印花。