HuagongsheHuagongshe Chemistry Print Report · For research reference only
Chlorosulfonic acid → 3,5-Dichloro-2,4,6-trifluorobenzoyl fluoride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Chlorosulfonic acid | HCID 24638 | — |
| Reactant | 1,3-dichloro-2,4,6-trifluoro-5-(trifluoromethyl)benzene | HCID 2782510 | — |
| Product | 3,5-Dichloro-2,4,6-trifluorobenzoyl fluoride | HCID 19850482 | 82.1% |
Reaction Steps
A mixture of 520 g of 3,5-dichloro-2,4,6-trifluorobenzotrifluoride and 400 g of chlorosulphonic acid is heated for 4 hours, whilst stirring, as described in Example 1. 392 g of 3,5-dichloro-2,4,6-trifluorobenzoyl fluoride (82% of the theoretical yield) of boiling point 90° to 95° C./15 mbars and nD20 :1.5007 are obtained by distillation.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04330366 |
| Source dataset | uspto-grants-1982_05 |
| ORD ID | ord-43b5a139636340b7928a54e2774ec4c2 |
| Source note | uspto-grants-1982_05 |