Photographic elements, diffusion transfer assemblages and coordination complexes are described which employ a novel nondiffusible compound capable of releasing at least one diffusible dye moiety having the formula:
wherein:
(a) D', D2 and D3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms;
(b) Z1 and Z2 each independently represents the atoms necessary to complete an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms or a ketomethine group;
(c) G' and G2 each independently represents a metal chelating group;
(d) Me is a polyvalent, hexacoordinate metal ion,
(e) CAR represents a ballasted carrier moiety capable of releasing the diffusible dye moiety as a function of development of the silver halide emulsion layer under alkaline conditions; and
(f) n is 1, 2 or 3.
描述了照相元件、扩散转移组合物和配位复合物,它们采用了一种新型的不可扩散化合物,该化合物能够释放出至少一个可扩散
染料分子,其分子式为
其中
(a) D'、D2 和 D3 各自独立地代表完成芳香杂环核所需的原子,该核至少有一个 5 至 7 个原子的环;
(b) Z1 和 Z2 各自独立地代表完成至少有一个 5 至 7 个原子的环的芳香碳环或杂环 核或酮甲基所需的原子;
(c) G' 和 G2 各自独立地代表一个
金属螯合基团;
(d) Me 是多价六配位
金属离子、
(e) CAR 代表一种压载载体分子,能够在碱性条件下随着卤化
银乳液层的发展而释 放扩散
染料分子;以及
(f) n 为 1、2 或 3。