申请人:Vonwiller Charlotte Simone
公开号:US20060030704A1
公开(公告)日:2006-02-09
The present invention provides an IR-absorbing naphthalocyanine dye of formula (I):
wherein
M is selected from Ga(A
1
);
A
1
is an axial ligand selected from —OH, halogen (preferably Cl), —OR
3
, a hydrophilic ligand and/or a ligand suitable for reducing cofacial interactions;
R
1
and R
2
may be the same or different and are selected from hydrogen or C
1-12
alkoxy (preferably C
1-6
alkoxy);
R
3
is selected from C
1-12
alkyl, C
5-12
aryl, C
5-12
arylalkyl or Si(R
x
)(R
y
)(R
z
); and
R
x
, R
y
and R
z
may be the same or different and are selected from C
1-12
alkyl, C
5-12
aryl, C
5-12
arylalkyl, C
1-12
alkoxy, C
5-12
aryloxy or C
5-12
arylalkoxy; W is a hydrophilic group; n1 is 0, 1, 2 or 3; n2 is 0, 1, 2 or 3; n3 is 0, 1, 2 or 3; n4 is 0, 1, 2 or 3; provided that at least one of n1, n2, n3 or n4 is greater than 0. Dyes of this type are especially suitable for use in netpage and Hyperlabel™ systems.
本发明提供一种具有以下式子(I)的吸收红外线的萘酞菁染料:其中,M从Ga(A1)中选择;A1是从—OH,卤素(优选为Cl),—OR3,亲水性配体和/或适用于减少共面相互作用的配体中选择的轴向配体;R1和R2可以相同或不同,并选择氢或C1-12烷氧基(优选为C1-6烷氧基);R3从C1-12烷基,C5-12芳基,C5-12芳基烷基或Si(Rx)(Ry)(Rz)中选择;Rx,Ry和Rz可以相同或不同,并选择C1-12烷基,C5-12芳基,C5-12芳基烷基,C1-12烷氧基,C5-12芳氧基或C5-12芳基烷氧基;W是亲水基团;n1为0、1、2或3;n2为0、1、2或3;n3为0、1、2或3;n4为0、1、2或3;但至少有一个n1、n2、n3或n4大于0。这种类型的染料特别适用于Netpage和Hyperlabel™系统中的使用。