HuagongsheHuagongshe Chemistry Print Report · For research reference only
4,4'-Carbonyldiphthalic anhydride → Benzophenone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4,4'-Carbonyldiphthalic anhydride | HCID 75498 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | Benzophenone | HCID 3102 | — |
Reaction Steps
To a 1 liter flask were added 420.00 g of benzophenone tetracarboxylic dianhydride and 503.52 g of methanol, a 50% by weight methanol solution of (A1) was prepared in the same manner as that of the process I of Example 1.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05914385 |
| Source dataset | uspto-grants-1999_06 |
| ORD ID | ord-0146be9567324e7da51cd839597b48b4 |
| Source note | uspto-grants-1999_06 |