Hydrochloric Acid → Anthraquinone

HRID 1110948

Reaktionsgleichung

Reaktionsgleichung von HRID 1110948
N[C:2]1[C:15]2[C:14](=[O:16])[C:13]3[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=3)[C:7](=[O:17])[C:6]=2[C:5](Br)=[CH:4][C:3]=1S(O)(=O)=O.C(NCCNC1C=CC(N)=CC=1S(O)(=O)=O)(=O)C.Cl>>[CH:9]1[C:8]2[C:7](=[O:17])[C:6]3[C:15](=[CH:2][CH:3]=[CH:4][CH:5]=3)[C:14](=[O:16])[C:13]=2[CH:12]=[CH:11][CH:10]=1

Komponenten

4

Edukt 3

HCID 313Hydrochloric AcidHCID 226281-Amino-4-bromo-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acidHCID 221546334-(beta-Acetylaminoethylamino)aniline 3-sulfonic acid

Produkt 1

HCID 6780Anthraquinone

Versuchsvorschrift

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. ##STR244##

Quellen und Nachweise

ORD-Eintrag
ord-dfdc822a61ad45f98c39faa65df17554
Quelldatensatz
uspto-grants-1990_12
Patentnummer
US04977261

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