| 摘要 |
<p>The present invention relates to an anthrapyridone compound represented by the following formula (1):
(wherein, n represents an integer number of 1 to 3, R 1 represents a hydrogen atom, an alkyl group or the like, R 2 represents a hydrogen atom or a methoxy group, R 3 represents an anilino group having, as a substituent, at least one group selected from the group consisting of sulfo group, a carboxy group, an alkoxy group, a carbamoyl group, an cyano group, an alkyl group, an anilino group, a phenoxy group, an amino group, a hydroxy group and a mercapto group, an unsubstituted anilino group or the like), or a salt thereof, and provides a magenta coloring matter (compound) having high solubility in water and a hue and vividness which are suitable for inkjet recording and being excellent in fastnesses such as light fastness, moisture fastness and ozone gas fastness on recorded matter; and a magenta ink composition containing it.</p> |
