Metal complex dyes for inkjet inks
View Patent ↗A light-resistant, metal complex dye for inkjet printing comprising a substituted 8-heterocyclic azo-5-aminoquinoline of the following structural formula:
1. Substituted 8-heterocylic azo-5-aminoquinoline dyes of the following formula reacted with transition-metal ions selected from the group consisting of Cr(III), Mn(II), Fe(II,III), Co(II,III), Ni(II), Cu(II), Zn(II), Pd(II) and Pt (II) in a 1:1 or 2:1 (organic:metal) by weight ratio:
wherein:
A represents an aromatic bi-heterocyclic radical containing at least one nitrogen atom which, along with the nitrogen atoms of the azo link and quinoline moieties, can participate in the coordination of transition-metal ions,
each X independently being an optionally substituted alkyl, optionally substituted aryl, optionally substituted alkoxide, optionally substituted amine, optionally substituted amide, optionally substituted ester, sulfo or salts thereof, sulfonamide, carboxy or salts thereof, phospho or salts thereof, halide, cyano, or nitro, among others,
n is an integer value 0–5, and
at least one of R 1 and R 2 each independently being optionally substituted alkyl, optionally substituted aryl, optionally substituted —C(O)alkyl, a substituted —C(O)aryl, optionally substituted —SO 2 alkyl, or optionally substituted —SO 2 aryl and one of R 1 and R 2 may also be hydrogen.
2. Substituted 8-heterocylic azo-5-aminoquinoline dyes of the following formula reacted with transition-metal ions selected from the group consisting of Cr(III), Mn(II), Fe(II, III), Co(II,III), Ni(II), Cu(II), Zn(II), Pd(II), and Pt(II) in a 1:1 or 2:1 (organic:metal) by weight ratio:
wherein:
A is 2-(4,5-dicyano-1,3-imidazolyl)-,
each X independently being an optionally substituted alkyl, optionally substituted aryl, optionally substituted alkoxide, optionally substituted amine, optionally substituted amide, optionally substituted ester, sulfo or salts thereof, sulfonamide, carboxy or salts thereof, phospho or salts thereof, halide, cyano, or nitro, among others,
n is an integer value 0–5, and
R 1 and R 2 each independently being hydrogen, optionally substituted alkyl, optionally substituted aryl, optionally substituted —C(O)alkyl, optionally substituted —C(O)aryl, optionally substituted —SO 2 alkyl, or optionally substituted —SO 2 aryl.
3. Substituted 8-heterocylic azo-5-aminoquinoline dyes of the following formula reacted with transition-metal ions selected from the group consisting of Cr(III), Mn(II), Fe(II, III), Co(II,III), Ni(II), Cu(II), Zn(II), Pd(II), and Pt(II) in a 1:1 or 2:1 (organic:metal) by weight ratio:
wherein:
A is 2-(4-carboxymethyl-1,3-thiazolyl)-,
each X independently being an optionally substituted alkyl, optionally substituted aryl, optionally substituted alkoxide, optionally substituted amine, optionally substituted amide, optionally substituted ester, sulfo or salts thereof, sulfonamide, carboxy or salts thereof, phospho or salts thereof, halide, cyano, or nitro, among others,
n is an integer value 0–5, and
R 1 and R 2 each independently being hydrogen, optionally substituted alkyl, optionally substituted aryl, optionally substituted —C(O)alkyl, optionally substituted —C(O)aryl, optionally substituted —SO 2 alkyl, or optionally substituted —SO 2 aryl.
4. The dye of claim 1 in which A is 8-quinolinyl.
5. Substituted 8-heterocylic azo-5-aminoquinoline dyes of the following formula reacted with transition-metal ions selected from the group consisting of Cr(III), Mn(II), Fe(II, III), Co(II,III), Ni(II), Cu(II), Zn(II), Pd(II), and Pt(II) in a 1:1 or 2:1 (organic:metal) by weight ratio:
wherein:
A represents an aromatic mono or bi-heterocyclic radical containing at least one nitrogen atom which, along with the nitrogen atoms of the azo link and quinoline moieties, can participate in the coordination of transition-metal ions,
each X independently being an optionally substituted alkyl, optionally substituted aryl, optionally substituted alkoxide, optionally substituted amine, optionally substituted amide, optionally substituted ester, sulfo or salts thereof, sulfonamide, carboxy or salts thereof, phospho or salts thereof, halide, cyano, or nitro, among others,
n is an integer value 0–5, and
R 1 is hydrogen and R 2 is sulfomethyl.
6. The dye of claim 1 in which R 1 is hydrogen and R 2 is 2-carboxyethyl.
7. The dye of claim 2 in which R 1 is hydrogen and R 2 is 2-carboxyethyl.
8. The dye of claim 3 in which R 1 is hydrogen and R 2 is 2-carboxyethyl.
9. The dye of claim 4 in which R 1 is hydrogen and R 2 is 2-carboxyethyl.
10. Substituted 8-heterocylic azo-5-aminoquinoline dyes of the following formula reacted with transition-metal ions selected from the group consisting of Cr(III), Mn(II), Fe(II, III), Co(II,III), Ni(II), Cu(II), Zn(II), Pd(II), and Pt(II) in a 1:1 or 2:1 (organic:metal) by weight ratio:
wherein:
A is 3-(5-carboxy-1,2,4-triazolyl)-,
each X independently being an optionally substituted alkyl, optionally substituted aryl, optionally substituted alkoxide, optionally substituted amine, optionally substituted amide, optionally substituted ester, sulfo or salts thereof, sulfonamide, carboxy or salts thereof, phospho or salts thereof, halide, cyano, or nitro, among others,
n is an integer value 0–5, and
R 1 is hydrogen and R 2 is 2-carboxyethyl or sulfomethyl.
11. The dye of claim 1 in which R 1 is hydrogen and R 2 is sulfomethyl.
12. The dye of claim 2 in which R 1 is hydrogen and R 2 is sulfomethyl.
13. The dye of claim 3 in which R 1 is hydrogen and R 2 is sulfomethyl.
14. The dye of claim 4 in which R 1 is hydrogen and R 2 is sulfomethyl.
15. The dye as in claim 1 in which the said transition-metal ion selected is Cu(II).
16. The dye as in claim 2 in which the said transition-metal ion selected is Cu(II).
17. The dye as in claim 3 in which the said transition-metal ion selected is Cu(II).
18. The dye as in claim 4 in which the said transition-metal ion selected is Cu(II).
19. The dye as in claim 10 in which the said transition-metal ion selected is Cu(II).
20. The dye as in claim 7 in which the said transition-metal ion selected is Cu(II).
21. The dye as in claim 8 in which the said transition-metal ion selected is Cu(II).
22. The dye as in claim 9 in which the said transition-metal ion selected is Cu(II).
23. The dye as in claim 5 in which the said transition-metal ion selected is Cu(II).
24. The dye as in claim 12 in which the said transition-metal ion selected is Cu(II).
25. The dye as in claim 13 in which the said transition-metal ion selected is Cu(II).
26. The dye as in claim 14 in which the said transition-metal ion selected is Cu(II).
27. The dye as in claim 1 in which the said transition-metal ion selected is Ni(II).
28. The dye as in claim 2 in which the said transition-metal ion selected is Ni(II).
29. The dye as in claim 3 in which the said transition-metal ion selected is Ni(II).
30. The dye as in claim 4 in which the said transition-metal ion selected is Ni(II).
31. The dye as in claim 10 in which the said transition-metal ion selected is Ni(II).
32. The dye as in claim 7 in which the said transition-metal ion selected is Ni(II).
33. The dye as in claim 8 in which the said transition-metal ion selected is Ni(II).
34. The dye as in claim 9 in which the said transition-metal ion selected is Ni(II).
35. The dye as in claim 5 in which the said transition-metal ion selected is Ni(II).
36. The dye as in claim 12 in which the said transition-metal ion selected is Ni(II).
37. The dye as in claim 13 in which the said transition-metal ion selected is Ni(II).
38. The dye as in claim 14 in which the said transition-metal ion selected is Ni(II).