申请人:Fuji Photo Film Co., Ltd.
公开号:US04255509A1
公开(公告)日:1981-03-10
A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a compound represented by the following general formula (1): ##STR1## wherein Q.sup.1 represents a hydrogen atom; a halogen atom; a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom, or an alkyl group, m represents 0 or 1, R.sup.4 represents a hydrogen atom or R.sup.4a wherein R.sup.4a represents an alkyl group, an aralkyl group or a phenyl group, and R.sup.3 and R.sup.4 may combined directly or through an oxygen atom to form a ring; a group represented by the formula --SO.sub.2 R.sup.5 wherein R.sup.5 represents an alkyl group or an aralkyl group; a carboxy group; a group represented by the formula --COOR.sup.6 wherein R.sup.6 represents an alkyl group or a phenyl group; or a group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.3 and R.sup.4 each has the same meaning as defined above; Q.sup.2 is positioned at the 5- or the 8-position to the G group and represents a hydroxy group, a group represented by the formula --NHCOR.sup.4a or a group represented by the formula --NHSO.sub.2 R.sup.4a wherein R.sup.4a has the same meaning as defined above; R.sup.1 and R.sup.2, which may be the same or different, each represents an alkyl group or an alkoxy group; BG is a bridging group; Y represents a redox center which functions to release a diffusible dye as a result of self cleavage upon oxidation; and G represents a hydroxyl group, a salt thereof, or a hydrolyzable acyloxy group represented by the formula ##STR2## wherein E represents an alkyl group or an aryl group. The compound is a dye image providing material which provides a magenta dye image having superior properties.
一种用于彩色扩散转移工艺的光敏感感光片,其包括具有至少一个光敏银卤化物乳液层的支撑体,该层与以下一般式(1)所代表的化合物相关联:##STR1## 其中,Q1代表氢原子;卤素原子;由公式--SO.sub.2 NR.sup.3R.sup.4表示的磺酰胺基团,其中R.sup.3表示氢原子或烷基,m代表0或1,R.sup.4表示氢原子或R.sup.4a,其中R.sup.4a表示烷基,芳基烷基或苯基,R.sup.3和R.sup.4可以直接或通过氧原子结合形成环;由公式--SO.sub.2R.sup.5表示的基团,其中R.sup.5表示烷基或芳基烷基;羧基;由公式--COOR.sup.6表示的基团,其中R.sup.6表示烷基或苯基;或由公式--CONR.sup.3R.sup.4表示的基团,其中R.sup.3和R.sup.4的含义与上述定义相同;Q2位于G基团的5-或8-位置,并表示羟基,由公式--NHCOR.sup.4a表示的基团或由公式--NHSO.sub.2R.sup.4a表示的基团,其中R.sup.4a的含义与上述定义相同;R.sup.1和R.sup.2,它们可以相同也可以不同,分别表示烷基或烷氧基;BG是桥接基团;Y表示氧化后释放可扩散染料的氧化还原中心;G表示羟基,其盐或由公式##STR2##表示的可水解酰氧基团,其中E表示烷基或芳基。该化合物是提供品质卓越的洋红色染料图像的染料图像提供材料。