申请人:Konishiroku Photo Industry Co., Ltd.
公开号:US04256831A1
公开(公告)日:1981-03-17
A light-sensitive photographic element comprising a support and at least one light-sensitive silver halide emulsion layer coated thereon having associated therewith a magenta image dye-providing compound which releases a magenta dye or a precursor thereof corresponding to the imagewise exposure of said emulsion layer, said magenta dye-providing compound being a compound represented by formula [I]: ##STR1## wherein Car represents a carrier moiety which can be oxidized under alkaline conditions to release a diffusible dye or a precursor thereof from said compound; R.sup.1 and R.sup.2, which may be the same or different, independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms (provided that the total sum of carbon atoms in R.sup.1 and R.sup.2 does not exceed 5), or R.sup.1 and R.sup.2 may form, together with the nitrogen atom, ##STR2## X represents a hydroxyl group, a salt thereof or a group, which can be converted into a hydroxyl group by hydrolysis, having the following formula: ##STR3## in which R.sup.3 represents an alkyl or haloalkyl group having 1 to 18 carbon atoms or a phenyl group which may be substituted; Y represents a ##STR4## group in which R.sup.4 and R.sup.5, which may be the same or different, independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group (provided that the total sum of carbon atoms in R.sup.4 and R.sup.5 does not exceed 6); Z represents a hydrogen atom, a chlorine atom, a methyl group or a methoxy group; l is 1 or 2 provided that when l is 2 each Z may be the same or different; m is 0 or 1; and J represents a bivalent linking group having the formula --R.sup.6 --(O).sub.n --R.sub.p.sup.7 -- in which R.sup.6 and R.sup.7, which may be the same or different, independently represent an alkylene group having 1 to 8 carbon atoms, a phenylene group which may be substituted; n represents 0 or 1; p represents 0 or 1 provided that p is 1 when n is 1 and 1 or 0 when n is 0 (provided that, when p is 1, the total sum of carbon atoms in R.sup.6 and R.sup.7 does not exceed 13).
一种光敏感的摄影元素,包括支撑物和至少一层光敏感的银卤化物乳液层,其中与其相关联的洋红色图像染料提供化合物释放与该乳液层的影像曝光相对应的洋红色染料或其前体,该洋红色染料提供化合物是由式[I]表示的化合物:##STR1## 其中,Car代表载体基团,在碱性条件下可以氧化以从该化合物中释放可扩散的染料或其前体;R1和R2,可以相同也可以不同,分别表示氢原子或具有1至3个碳原子的烷基(前提是R1和R2中碳原子的总和不超过5),或者R1和R2可以与氮原子一起形成##STR2## X表示羟基,其盐或者可以通过水解转化为羟基的基团,其具有以下结构式:##STR3## 其中,R3表示具有1至18个碳原子的烷基或卤代烷基,或可能被取代的苯基;Y表示##STR4##基团,其中R4和R5可以相同也可以不同,分别表示氢原子,具有1至6个碳原子的烷基或环烷基(前提是R4和R5中碳原子的总和不超过6);Z表示氢原子,氯原子,甲基或甲氧基;l为1或2,前提是当l为2时,每个Z可以相同也可以不同;m为0或1;J表示具有式--R6--(O)n--Rp7--的二价连接基团,其中R6和R7可以相同也可以不同,分别表示具有1至8个碳原子的烷基,可能被取代的苯基;n表示0或1;p表示0或1,前提是当n为1时,p为1,当n为0时,p为1或0(前提是当p为1时,R6和R7中碳原子的总和不超过13)。