申请人:EASTMAN KODAK COMPANY
公开号:EP0598420A1
公开(公告)日:1994-05-25
Imine dyes useful in photographic materials have the formula
wherein D is selected from
and wherein E¹, E², E³, and E⁴ each individually represents strongly electron-withdrawing groups; R¹ and R⁶ each individually represents an alkyl group of 1 to about 8 carbon atoms, or an aralkyl or cycloalkyl group of 5 to about 10 carbon atoms, or an aryl group of 6 to about 14 carbon atoms; R², R³, and R¹¹ each individually represents an alkyl group of 1 to about 8 carbon atoms, or an alkenyl group of 2 to about 8 carbon atoms, or an aryl, aralkyl, or cycloalkyl group of 5 to about 14 carbon atoms; or R² and R³ individually represent the non-metallic atoms necessary to form a 5- or 6-membered fused ring with the phenyl ring to which the nitrogen is attached, or together represent the non-metallic atoms required to form a 5- or 6-membered ring with each other; R⁴, R⁷, R⁸, R⁹, and R¹⁰ each individually represents hydrogen, or an alkyl, aralkyl, cycloalkyl, alkoxy, alkylamino, or alkylthio group of 1 to about 10 carbon atoms; R⁵ represents an alkyl group of 1 to about 8 carbon atoms, or an aralkyl or cycloalkyl group of 5 to about 10 carbon atoms; R¹² represents cyano, or an aryl, aminocarbonyl, or alkoxycarbonyl group of 2 to about 8 carbon atoms, or an alkylsulfonyl, arylsulfonyl, or sulfamoyl group of 1 to about 8 carbon atoms; or R¹¹ and R¹² together represent the non-metallic atoms necessary to complete a substituted or unsubstituted ring system containing at least one 5- or 6-membered heterocyclic or unsaturated alicyclic nucleus; G represents O or C(CN)₂; Y and Z each individually represents the non-metallic atoms necessary to complete a substituted or unsubstituted ring system containing at least one 5- or 6-membered heterocyclic nucleus; M⁺ is a cation; L¹ through L⁶ each individually represents unsubstituted or substituted methine groups; m is 0, 1, 2, or 3; n is 0 or 1; p is 0, 1, 2, 3, or 4; q is 0, 1, 2, or 3; and r is 0, 1, 2, 3, 4, or 5.
Solid particle dispersions of dyes of formula (I) that contain at least one base-ionizable functional group such as carboxy, sulfonamido, or sulfamoyl are useful as filter dyes in photographic elements.
用于照相材料的亚胺染料的化学式为
其中 D 选自
其中 E¹、E²、E³ 和 E⁴ 各自代表强吸电子基团;R¹ 和 R⁶ 各自代表 1 至约 8 个碳原子的烷基,或 5 至约 10 个碳原子的芳基或环烷基,或 6 至约 14 个碳原子的芳基;R²、R³和 R¹¹各自单独代表 1 至约 8 个碳原子的烷基,或 2 至约 8 个碳原子的烯基,或 5 至约 14 个碳原子的芳基、芳烷基或环烷基;或 R² 和 R³ 分别代表与氮相连的苯基环形成 5 或 6 元融合环所需的非金属原子,或共同代表彼此形成 5 或 6 元环所需的非金属原子;R⁴、R⁷、R⁸、R⁹ 和 R¹⁰ 各自代表氢或 1 至约 10 个碳原子的烷基、芳基、环烷基、烷氧基、烷基氨基或烷基硫基;R⁵ 代表 1 至约 8 个碳原子的烷基,或 5 至约 10 个碳原子的芳基或环烷基;R¹² 代表氰基,或 2 至约 8 个碳原子的芳基、氨基羰基或烷氧基羰基,或 1 至约 8 个碳原子的烷基磺酰基、芳基磺酰基或氨基磺酰基;或 R¹¹ 和 R¹² 共同代表完成包含至少一个 5 或 6 元杂环或不饱和脂环核的取代或未取代环系统所需的非金属原子;G 代表 O 或 C(CN)₂; Y 和 Z 分别代表完成含有至少一个 5 或 6 元杂环核的取代或未取代环系统所需的非金属原子;M⁺是阳离子;L¹至L⁶各自单独代表未取代或取代的甲基;m是0、1、2或3;n是0或1;p是0、1、2、3或4;q是0、1、2或3;以及r是0、1、2、3、4或5。
式(I)染料的固体颗粒分散体含有至少一个可碱电离的官能团,如羧基、磺酰胺基或磺酰基,可用作摄影元件中的滤光染料。