申请人:Fujifilm Corporation
公开号:EP2845882A2
公开(公告)日:2015-03-11
A dye, having a structure represented by formula (1A):
wherein A represents a group of atoms necessary for forming a ring together with the carbon-nitrogen bond; at least one of Y1A and Y2A represents an acidic group, in which when they each represent an acidic group, they may be the same as or different from each other, or when only one of them represents an acidic group, the other represents an electron-withdrawing group; D represents a group to give a dye; n represents an integer of 1 or greater; L represents a single bond or a divalent linking group; and Y3A represents an acidic group.
一种染料,具有式 (1A) 所代表的结构:
其中 A 代表与碳-氮键一起形成环所需的原子团;Y1A 和 Y2A 中至少有一个代表酸性基团,其中当它们各自代表酸性基团时,它们可以彼此相同或不同,或者当它们中只有一个代表酸性基团时,另一个代表取电子基团;D 代表一个基团以得到染料;n 代表 1 或更大的整数;L 代表单键或二价连接基团;以及 Y3A 代表酸性基团。