申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP0569857A1
公开(公告)日:1993-11-18
Disclosed is a silver halide photographic material containing at least one dye of formula (Ia), (Ib), (Ic), or (Id):
wherein R¹, R², R⁹ and R¹⁰ may be the same or different and each represents an alkyl group; Z¹, Z², Z³ and Z⁴ each represents a non-metallic atomic group necessary for forming a nitrogen-containing hetero ring; R³, R⁴, R⁵, R⁶, R¹¹, R¹², R¹³ and R¹⁴ may be the same or different and each represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; R⁷, R⁸, R¹⁵ and R¹⁶ may be the same or different and each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amino group or a hydroxyl group; R³ and R⁴, R⁵ and R⁶, R¹¹ and R¹², R¹³ and R¹⁴, R³ and R⁷, R⁵ and R⁸, R¹¹ and R¹⁵, or R¹³ and R¹⁶ may be bonded to each other to form a 5-membered or 6-membered ring; and m and n each represents an integer of from 1 to 4; provided that the dye molecule contains at least two acidic substituents.
所公开的是一种卤化银感光材料,至少含有一种式 (Ia)、(Ib)、(Ic) 或 (Id) 的染料:
其中 R¹、R²、R⁹和 R¹⁰ 可以相同或不同,各自代表一个烷基;Z¹、Z²、Z³ 和 Z⁴ 各自代表形成含氮杂环所必需的非金属原子团;R³、R⁴、R⁵、R⁶、R¹¹、R¹²、R¹³ 和 R¹⁴ 可以相同或不同,各自代表氢原子、烷基、芳基或芳烷基;R⁷、R⁸、R¹⁵ 和 R¹⁶ 可以相同或不同,各自代表氢原子、卤素原子、烷基、烷氧基、氨基或羟基;R³和 R⁴、R⁵和 R⁶、R¹和 R¹²、R¹³和 R¹⁴、R³和 R⁷、R⁵和 R⁸、R¹和 R¹⁵或 R¹³和 R¹⁶可相互键合以形成 5 元环或 6 元环;m和n各代表1至4的整数;前提是染料分子中至少含有两个酸性取代基。