HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Sulfuric Acid → 4,4'-Difluorobenzophenone
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Sulfuric Acid | HCID 1118 | — |
| Edukt | 1,1'-Methylenebis[4-fluorobenzene] | HCID 96094 | — |
| Katalysator | Manganese dioxide | HCID 14801 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | 4,4'-Difluorobenzophenone | HCID 9582 | 54% |
Reaktionsschritte
The procedure of Example 2 is used except that the 4,4'-difluorodiphenylmethane, water, and sulfuric acid are first mixed, then heated before the MnO2 is added. The yield is 54% 4,4'-difluorobenzophenone that is 95% pure.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05723676 |
| Quelldatensatz | uspto-grants-1998_03 |
| ORD ID | ord-dcc5f15a2f3f46578b2a4b1538a1f0d4 |
| Quellennotiz | uspto-grants-1998_03 |