HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sulfuric Acid → 4,4'-Difluorobenzophenone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sulfuric Acid | HCID 1118 | — |
| Reactant | 1,1'-Methylenebis[4-fluorobenzene] | HCID 96094 | — |
| Catalyst | Manganese dioxide | HCID 14801 | — |
| Solvent | Water | HCID 962 | — |
| Product | 4,4'-Difluorobenzophenone | HCID 9582 | 54% |
Reaction Steps
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.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05723676 |
| Source dataset | uspto-grants-1998_03 |
| ORD ID | ord-dcc5f15a2f3f46578b2a4b1538a1f0d4 |
| Source note | uspto-grants-1998_03 |