HuagongsheHuagongshe Chemistry Print Report · For research reference only
Perfluoro-phthalide → Tetrafluorophthalic anhydride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Perfluoro-phthalide | HCID 11032047 | — |
| Reactant | 3,4,5,6-tetrafluorobenzene-1,2-dicarbonyl Fluoride | HCID 11075613 | — |
| Product | Tetrafluorophthalic anhydride | HCID 69545 | — |
Reaction Steps
A process for producing tetrafluorophthalic anhydride, which comprises reacting 3,4,5,6-tetrafluorophthaloyldifluoride and/or 3,3,4,5,6,7-hexafluoro-1-[3H]-isobenzofuranone with an Inorganic base or an organic acid to obtain tetrafluorophthalic anhydride.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05648504 |
| Source dataset | uspto-grants-1997_07 |
| ORD ID | ord-b98eb214f2654977a7681a6ad78075cb |
| Source note | uspto-grants-1997_07 |