| 摘要 |
NEW MATERIAL:A compound of formula I [R1,R2,R3 are alkyl, alkoxy, aralkyl, aryl; R4 to R7 are alkyl, H, alkoxy, aryl, halogen, amino, (di)alkylamino, OH wherein at least one of R4 to R7 is 5-20C alkyl; R8 is H, alkyl, alkoxy; R9 to R14 are H, alkyl, alkoxy, aralkyl, aryl, halogen, nitro amino, (di)alkylamino, sulfo, OH]. EXAMPLE:A compound of formula II. USE:A recording and memorizing material. PREPARATION:1-octadecyl-3,3-dimethyl-5-dodecylindolenine obtained from through p-dodecylphenylhydrazine hydrochlorido and 2,3,3-trimethyl-5- dodecylindolenine is dropwise added to a 1-nitroso-2-naphthol.ethanol solution, refluxed and cooled. The p-dodecylphenylhydrazine is obtained by the diazo reaction of p-dodecylaniline as a starting substance. |
