HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → 4-Chloroisatoic anhydride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Toluene | HCID 1140 | — |
| Reactant | 2-Amino-4-chlorobenzoic acid | HCID 66646 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 4-Chloroisatoic anhydride | HCID 329105 | 93% |
Reaction Steps
According to the same manner as in Example 5, except that 171.6 g of water and 171.6 g of toluene were used in place of 78.9 g of water and 315.5 g of tetrahydrofuran, and that 4-chloroanthranilic acid was used in place of 4,5-dimethoxyanthranilic acid, 80.9 g of 7-chloroisatoic anhydride (purity: 91%) was obtained.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05981749 |
| Source dataset | uspto-grants-1999_11 |
| ORD ID | ord-827084c28ce945008f5b476e82abd65e |
| Source note | uspto-grants-1999_11 |