| 摘要 |
PURPOSE:To obtain a photosensitive material which is improved in color developing property, color reproducibility and image preservability and obviates the fluctuation of color balance in particular for a long period of time by incorporating respectively specific couplers into red, green and blue photosensitive layers. CONSTITUTION:The photosensitive material having the excellent color developing property, color reproducibility and image preservability is obtd. by having the respective photosensitive layers contg. the cyan coupler expressed by formula I [R1 is a (substd.) aliphat. aryl heteroyclic ring, R2 is methyl having a substituent (including lakyl of >=2C), R3 is H, halogen (substd.) alkyl, aryl, alkoxy or acylamino, Y1 is the group eliminated in the coupling reaction stage of H or the oxidant of a developing agent], the magenta coupler expressed by formula II[R4 is H or substituent, Za, Zb, Zc are (substd.) methine, =N- or -NH-, Y2 is the same as Y1] and the yellow coupler expressed by formula III [R5 is (substd.) N-phenyl carbamoyl, R3 is the same as Y1 and many form dimer or higher monomer with R5 or Y3]. |
