| 摘要 |
NEW MATERIAL:The compound of formula I [X is group of formula II or formula III; R1 and R2 are CN, COR, COOR or CONRR'; R3 is H, (substituted) alkyl, (substituted) alkoxy or heteroaryl; R4 and R7 are H, (substituted) alkyl, (substituted) alkoxy, OH, halogen, NO2, CN, etc.; R8 and R9 are (substituted) alkyl; R10 is (branched) alkylene or alkylene containing alicyclic hydrocarbon; R11-R16 are H or a alkyl]. EXAMPLE:The compound of formula II. USE:An optical information recording medium having high absorption and reflection to semiconductor laser light and stable to light, heat, etc. Useful also as a precision color-separation filter for color image-pickup element and color display, a far infrared absorption filter, an organic photoconductive composition, a laser dye, a sublimation heat-transfer printer, a disperse dye, etc. PREPARATION:The compound of formula I can be produced by reacting a compound of formula IV with a compound of formula V. |
