申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP0294785A2
公开(公告)日:1988-12-14
There are provided 1H-pyrazolo[1,5-b]-1,2,4-triazole magenta couplers or 1H-pyrazolo[5,1-c]-1,2,4-triazole magenta couplers characterized by having at the 6-position a phenoxy group, on the ortho-position of which is an alkoxy group or an aryloxy group. A photographic material comprising the magenta coupler is excellent in color reproducibility and exhibits superior photographic characteristics in any of sensitivity, gradation, and color density.
本发明提供了 1H-吡唑并[1,5-b]-1,2,4-三唑洋红色耦合剂或 1H-吡唑并[5,1-c]-1,2,4-三唑洋红色耦合剂,其特征是在 6 位上有一个苯氧基,其正交位上有一个烷氧基或芳氧基。包含品红耦合剂的感光材料具有极佳的色彩再现性,并在感光度、色阶和色彩密度方面表现出卓越的感光特性。