申请人:——
公开号:US20040014981A1
公开(公告)日:2004-01-22
A compound of the formula (I) is provided: (I), wherein Z is O, S, or NR
35
wherein R
35
is H or alkyl; R
1
-R
5
are each independently H, alkyl, halo, carboxyl, amino, or SO
3
31
Cat
+
, wherein Cat
+
is a cation and at least one of R
1
-R
5
is SO
3
−
Cat
+
; R
6
and R
7
are each H, alkyl, or optionally, together with the (a) group to which they are bonded, form a ring; m and n are each independently integers from 0 to 5; X and Y are each independently O, S, Se or CR
19
R
20
, wherein R
19
and R
20
are each independently alkyl, or optionally form a ring together with the carbon atom to which they are bonded; R
8
and R
13
are each independently alkyl, (CH
2
)
r
R
25
or (CH
2
)
r
R
18
; wherein at least one of R
8
and R
13
(CH
2
)
r
R
18
and wherein r is an integer from 1 to 50, and R
25
is a functional group that does not directly react with a carboxyl, hydroxyl, amino or a thiol group, and R
18
is a functional group that can react with
1
提供公式(I)的化合物:(I),其中Z为O,S或NR35,其中R35为H或烷基;R1-R5独立地为H,烷基,卤素,羧基,氨基或SO331Cat+,其中Cat+为阳离子,并且R1-R5中至少有一个为SO3−Cat+;R6和R7独立地为H,烷基或可选地与它们所连接的(a)基团一起形成环;m和n独立地为0到5的整数;X和Y独立地为O,S,Se或CR19R20,其中R19和R20独立地为烷基,或可选地与它们所连接的碳原子一起形成环;R8和R13独立地为烷基,(CH2)rR25或(CH2)rR18;其中R8和R13中至少有一个为(CH2)rR18,其中r为1到50的整数,且R25为不直接与羧基,羟基,氨基或巯基反应的功能基团,R18为可与1反应的功能基团。