| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compound excellent in solubility in an organic solvent and useful as a new dye. <P>SOLUTION: The compound is expressed by formula (I). In formula (I), R<SP POS="POST">1</SP>represents 1-8C alkyl, in which a hydrogen atom included in the alkyl group may be substituted with a hydroxy group; R<SP POS="POST">2</SP>represents a hydrogen atom, cyano or carbamoyl; R<SP POS="POST">3</SP>represents 1-4C alkyl or trifluoromethyl; R<SP POS="POST">4</SP>represents sulfo or carboxy; R<SP POS="POST">5</SP>represents a hydrogen atom, methyl or ethyl; L represents 1-8C alkanediyl; X represents -CO-O-; and R<SP POS="POST">6</SP>and R<SP POS="POST">7</SP>each independently represents a hydrogen atom, hydroxy or sulfo. <P>COPYRIGHT: (C)2013,JPO&INPIT |
