Light-sensitive silver halide color photographic material containing novel cyan coupler
申请人:KONICA CORPORATION
公开号:EP0296780A2
公开(公告)日:1988-12-28
There is disclosed a light-sensitive silver halide color photographic material containing novel cyan coupler which comprises a light-sensitive silver halide color photographic material having at least one silver halide emulsion layer on a support, characterized in that at least one layer of the silver halide emulsion layer contains at least one cyan coupler represented by the formula (I) shown below:
wherein R₁ and R₂ each represent an alkyl group, an aryl group, a heterocyclic group, a dialkylamino group, an anilino group, an alkoxy group or an arloxy group; R₃ represents a hydrogen atom or an alkyl group; R₄ represents a hydrogen atom, an alkyl group, an aryl group, a R₅CO- group or a R₅SO₂- group; provided that R₃ and R₄ cannot be hydrogen atoms at the same time; R₅ represents a hydrogen atom, an alkyl group, an aryl group, a dialkylamino group, an anilino group, an alkoxy group or an aryloxy group; and X represents a hydrogen atom or an eliminatable group through the reaction with the oxidized product of a color developing agent.
本发明公开了一种含有新型青色耦合剂的感光卤化银彩色感光材料,它包括一种感光卤化银彩色感光材料,该材料在支撑体上具有至少一层卤化银乳剂层,其特征在于该卤化银乳剂层的至少一层含有至少一种由下式(I)表示的青色耦合剂:
其中 R₁ 和 R₂ 各自代表烷基、芳基、杂环基、二烷基氨基、苯胺基、烷氧基或芳基;R₃ 代表氢原子或烷基;R₄ 代表氢原子、烷基、芳基、R₅CO- 基团或 R₅SO₂- 基团;但 R₃ 和 R₄ 不能同时为氢原子;R₅ 代表氢原子、烷基、芳基、二烷基氨基、苯胺基、烷氧基或芳氧基;以及 X 代表氢原子或通过与显色剂的氧化产物反应可消除的基团。