申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP0447921A2
公开(公告)日:1991-09-25
A silver halide color light-sensitive material including a support having thereon at least one hydrophilic colloidal layer is disclosed, wherein the hydrophilic colloidal layer contains a DIR coupler represented by formula (I):
wherein R¹ represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group; R² represents an organic group; X and Y each represent -N= or
wherein R³ represents a hydrogen atom, a halogen atom, a cyano group, a nitro group, an amino group, an acyl group, an acylamino group, a carbamoyl group, a carbamoylamino group, a sulfonyl group, a sulfonylamino group, a sulfamoyl group, a sulfamoylamino group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an aryloxycarbonyl group, a hydroxyl group, a sulfenyl group, a sulfinyl group, an aliphatic group, an aromatic group, or a heterocyclic group; and Z represents a releasable group which is released on reacting with an oxidation product of an aromatic primary amine developing agent to become a development inhibitor or a precursor thereof and which diffuses into a color developing solution and then decomposes to a compound having no substantial influence on photographic properties.
本发明公开了一种卤化银彩色光敏材料,该材料包括一个支架,支架上至少有一个亲水胶体层,其中亲水胶体层含有由式(I)表示的 DIR 耦合剂:
其中 R¹ 代表氢原子、脂肪族基团、芳香族基团或杂环基团;R² 代表有机基团;X 和 Y 各自代表-N= 或
其中 R³ 代表氢原子、卤素原子、氰基、硝基、氨基、酰基、酰氨基、氨基甲酰基、 氨基酰胺基、磺酰基、磺酰氨基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基、磺酰胺基磺酰胺基、烷氧基、芳氧基、烷氧羰基、芳氧羰基、羟基、亚磺酰基、亚硫酰基、脂肪族基、芳香族基或杂环基;Z 代表可释放基团,该基团与芳香族伯胺显影剂的氧化产物反应后释放,成为显影抑制剂或其前体,并扩散到显色溶液中,然后分解为对感光性能无实质性影响的化合物。