| 摘要 |
PURPOSE:To obtain a dyestuff fixing element giving an image having high light fastness. CONSTITUTION:This dyestuff element contains a compd. represented by the formula, wherein R1 is optionally substd. alkyl, alkenyl, aralkyl, aryl, a residue of a hetero ring, alkylamino, arylamino, alkoxy or aryloxy, each of R2-R4 is optionally substd. alkyl, cycloalkyl, alkenyl or aralkyl, R1-R4 may bond to each other to form an alicyclic hetero ring, all of atoms belonging to R2-R4 among atoms forming the ring are carbon atoms and Z is carbonyl or sulfonyl. |
