HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Ammonia → Cleve's acid
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Ammonia | HCID 222 | — |
| Edukt | 4-Chloronaphthalene-1,6-disulfonic acid | HCID 15191954 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | Cleve's acid | HCID 8386 | — |
| Produkt | 1-Naphthylamine-4,7-disulfonic acid | HCID 66567 | — |
Reaktionsschritte
Process of claim 1 wherein 1-aminonaphthalene-4,7-disulphonic acid is prepared from 1-chloronaphthalene-4,7-disulphonic acid at temperatures below 220° C, and then the temperature of the reaction mixture is raised to 220° to 350° C in the presence of ammonia and water so as to obtain 1-aminonaphthalene-7-sulphonic acid.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04091013 |
| Quelldatensatz | uspto-grants-1978_05 |
| ORD ID | ord-1b0a964716db4c25ab1aa8cf432215f9 |
| Quellennotiz | uspto-grants-1978_05 |