申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP1308480A1
公开(公告)日:2003-05-07
A compound represented by the following formula (I) or a salt thereof:
wherein R1 and R2 represent an alkyl group or an aryl group; R3 to R6 represent hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a halogen atom, cyano group, carboxyl group or sulfo group; X1 and X2 represent an alkyl group having 1 to 15 carbon atoms or an aryl group, and the total number of carboxyl groups existing in X1 and X2 is 4 or less; m1 to m3 represents 0 or 1; L1 to L7 represent a methine group; M represents hydrogen atom, a metal or a quaternary ammonium salt; Y represents nonmetallic elements required to form a 5- to 10-membered heterocyclic ring; and n represents an integer of 1 to 7 required to neutralize charge, which is useful for manufacture of silver halide photographic light-sensitive materials.
由下式(I)代表的化合物或其盐:
其中 R1 和 R2 代表烷基或芳基;R3 至 R6 代表氢原子、烷基、芳基、杂芳基、卤素原子、氰基、羧基或磺基;X1 和 X2 代表具有 1 至 15 个碳原子的烷基或芳基,且 X1 和 X2 中存在的羧基总数为 4 或更少;m1 至 m3 代表 0 或 1;L1 至 L7 代表甲基;M 代表氢原子、金属或季铵盐;Y 代表形成 5 至 10 元杂环所需的非金属元素;n 代表中和电荷所需的 1 至 7 的整数,可用于制造卤化银感光材料。