申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP1251395A1
公开(公告)日:2002-10-23
Disclosed is a silver halide photographic material which comprises at least one methine dye represented by the following formula (I):
wherein Y represents a furan ring or a pyrrole ring, and Y may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring, or may have a substituent; the bond between two carbon atoms in which Y is condensed may be a single bond or a double bond; Z represents an atomic group necessary to form a 5- or 6-membered nitrogen-containing heterocyclic ring, and Z may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring; R represents a substituted or unsubstituted alkyl group, aryl group, or heterocyclic group; D represents a group necessary to form a methine dye; L1 and L2 each represents a methine group; p represents 0 or 1; M represents a counter ion; and m represents a number of 0 or higher necessary to neutralize the charge in the molecule.
本发明公开了一种卤化银感光材料,它包含至少一种由下式(I)表示的甲胺染料:
其中 Y 代表呋喃环或吡咯环,Y 可进一步与其他 5 或 6 元碳环或杂环缩合,或可具有取代基;Y 缩合的两个碳原子之间的键可以是单键或双键;Z 代表形成 5 或 6 元含氮杂环所必需的原子团,Z 可进一步与其他 5 或 6 元碳环或杂环缩合;R 代表取代或未取代的烷基、芳基或杂环基团; D 代表形成甲基染料所需的基团; L1 和 L2 各代表一个甲基; p 代表 0 或 1; M 代表反离子; m 代表中和分子中电荷所需的 0 或更高的数字。