2,5-Dianilinoterephthalic acid → Quinacridone
반응식
[NH:1]([C:8]1[CH:16]=[C:15]([C:17](O)=[O:18])[C:14]([NH:20][C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)=[CH:13][C:9]=1[C:10](O)=[O:11])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.COC1C=CC(NC2C=C(C(O)=O)C(NC3C=CC(OC)=CC=3)=CC=2C(O)=O)=CC=1>CO>[CH:24]1[CH:25]=[C:26]2[C:17]([C:15]3[C:14]([NH:20][C:21]2=[CH:22][CH:23]=1)=[CH:13][C:9]1[C:10]([C:7]2[C:2]([NH:1][C:8]=1[CH:16]=3)=[CH:3][CH:4]=[CH:5][CH:6]=2)=[O:11])=[O:18]참가 물질
4
반응 조건
- 온도
- 133 °C
실험 절차
A mixture (one part) of 2,5-dianilino-terephthalic acid (95%) and 2,5-dianisidino-terephthalic acid (5%) was dissolved in polyphosphoric acid (6.14 parts at 118.5%). The solution, already at 100° C., was heated to 133° C. for 3 hours, cooled and diluted. The solution was drowned into methanol (11.6 parts) and heated at 120° C. for 4 hours. A very bluish, transparent quinacridone pigment, dispersible in an automotive finish, was obtained.