HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → Anthraquinone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 1-Amino-4-bromo-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid | HCID 22628 | — |
| Reactant | 4-(beta-Acetylaminoethylamino)aniline 3-sulfonic acid | HCID 22154633 | — |
| Product | Anthraquinone | HCID 6780 | — |
Reaction Steps
1-Amino-4-bromoanthraquinone-2-sulfonic acid and 4-(β-acetylaminoethylamino)aniline 3-sulfonic acid were subjected to Ullmann condensation in the presence of cuprous chloride as a catalyst, followed by hydrolysis of the acetyl group under an acid condition of hydrochloric acid, thereby obtaining an anthraquinone intermediate compound of the following formula (2) in the free acid form ##STR493##
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04977261 |
| Source dataset | uspto-grants-1990_12 |
| ORD ID | ord-099f7899c2a749b4be25c544a68b049c |
| Source note | uspto-grants-1990_12 |