申请人:Adeka Corporation
公开号:EP2020302A1
公开(公告)日:2009-02-04
An optical recording material comprising at least one kind of a cyanine compound represented by the following general formula (I):
wherein ring A and ring B each independently represent a benzene ring or a naphthalene ring which may have a substituent ; R1 represents a group represented by the general formula (II), (II') or (II"); R2, R3 and R4 each independently represent a hydrogen atom, an organic group having 1 to 30 carbon atoms, or a group represented by the general formula (II), (II') or (II"); R3 and R4 may be linked together to form a ring structure; Y1 and Y2 each independently represent an organic group having 1 to 30 carbon atoms or a group represented by the general formula (III); X represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms, a phenyl group which may have a substituent, a benzyl group which may have a substituent, or a cyano group; Anm- represents an m-valent anion; m is 1 or 2; and p represents a coefficient keeping the charge neutral.
一种光学记录材料,包含至少一种由以下通式 (I) 表示的氰化合物:
其中环 A 和环 B 各自独立地代表一个苯环或一个萘环,它们可以具有一个取代基;R1 代表一个由通式(II)、(II')或(II")表示的基团;R2、R3 和 R4 各自独立地代表一个氢原子、一个具有 1 至 30 个碳原子的有机基团或一个由通式(II)、(II')或(II")表示的基团;R3 和 R4 可以连接在一起形成一个环结构;Y1 和 Y2 各自独立地代表具有 1 至 30 个碳原子的有机基团或通式 (III) 所代表的基团;X 代表氢原子、卤素原子、具有 1 至 4 个碳原子的烷基、可能具有取代基的苯基、可能具有取代基的苄基或氰基;Anm- 代表 m 价阴离子;m 为 1 或 2;p 代表保持电荷中性的系数。