申请人:MINNESOTA MINING AND MANUFACTURING COMPANY
公开号:EP0591016A1
公开(公告)日:1994-04-06
Metal-azo dyes with excellent solubility in organic media are provided. The metal-containing dyes of the present invention have a nucleus of the formula:
wherein:
Z₁ and Z₂ each independently represents an arene nucleus having from 5 to 14 ring atoms;
G₁ and G₂ each independently represent a metal ligating group, wherein G₁ and G₂ may be contained within or pendant from at least one of Z₁ and Z₂;
R represents a hydrogen atom, a halogen atom, an alkyl group, an acylamino group, an alkoxy group, a sulfonamido group, an aryl group, a thiol group, an alkylthio group, an arylthio group, an alkylamino group, an arylamino group, an amino group, an alkoxycarbonyl group, an acyloxy group, a nitro group, a cyano group, an alkylsulfonyl, an arylsulfonyl group, an alkylsulfoxyl group, an arylsulfoxyl group, an aryloxy group, a hydroxy group, a thioamido group, a carbamoyl group, a sulfamoyl group, a formyl group, an acyl group, a ureido group, an aryloxycarbonyl group, a silyl group, or a sulfoalkoxy group;
L₁ represents a trialkyl or triaryl phosphine ligand; or L₁ represents a pyridine ring group free of free-radically polymerizable functionality, and free of substitution at the 2- and 6- positions and at least one of the 3-, 4-, 5-positions of the pyridine ring group are substituted with R₁, wherein;
R₁ represents an alkyl group, an acylamino group, an alkoxy group, a sulfonamido group, an aryl group, an alkylthio group, an alkylamino group, an alkoxycarbonyl group, an acyloxy group, an alkylsulfonyl group, an alkylsulfoxyl group, an alkylcarbamoyl group, an alkylsulfamoyl group, a formyl group, an acyl group, a silyl group, or a sulfoalkoxy group;
L₂ represents a non-free-radically polymerizable monodentate or polydentate ligand;
X represents nitrogen or a methine group;
M is a divalent or polyvalent transition metal ion where the coordination number is at least four, and
k, m, and n are whole numbers less than or equal to 3.
Dye-donor sheets comprising the abovementioned dyes are also disclosed.
本发明提供了在有机介质中具有优异溶解性的金属偶氮染料。本发明的含金属染料具有如下式的核:
其中
Z₁ 和 Z₂ 各自独立地代表具有 5 至 14 个环原子的炔核;
G₁ 和 G₂ 各自独立地代表金属连接基团,其中 G₁ 和 G₂ 可包含在 Z₁ 和 Z₂ 中的至少一个内或悬挂在其中的至少一个上;
R 代表氢原子、卤素原子、烷基、酰氨基、烷氧基、磺酰胺基、芳基、硫醇基、 烷硫基、芳硫基、烷基氨基、芳基氨基、氨基、烷氧羰基、酰氧基、硝基氰基、烷基磺酰基、芳基磺酰基、烷基砜酰基、芳基砜酰基、芳氧基、羟基、硫胺基、氨基甲酰基、氨基磺酰基、甲酰基、酰基、脲基、芳氧羰基、硅烷基或磺酰烷氧基;
L₁ 代表三烷基或三芳基膦配体;或 L₁ 代表不含可自由基聚合官能团的吡啶环基,且在 2-位和 6-位上不含取代基,吡啶环基的 3-位、4-位和 5-位中至少有一个被 R₁ 取代,其中;
R₁ 代表烷基、酰氨基、烷氧基、磺酰胺基、芳基、烷硫基、烷氨基、烷氧羰基、酰氧基、烷基磺酰基、烷基硫氧酰基、烷基氨基甲酰基、烷基氨基磺酰基、甲酰基、酰基、硅烷基或磺基烷氧基;
L₂ 代表非自由基聚合的单齿或多齿配体;
X 代表氮或甲基;
M 是配位数至少为 4 的二价或多价过渡金属离子,且
k、m 和 n 是小于或等于 3 的整数。
此外,还公开了包含上述染料的染料载体片。