Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Toluene | HCID 1140 | — |
| Reactant | 2-Amino-4-chlorobenzoic acid | HCID 66646 | — |
| Catalyst | Dodecylpyridinium chloride | HCID 7717 | — |
| Product | 4-Chloroisatoic anhydride | HCID 329105 | 101.7% |
Reaction Steps
According to the same manner as in Example 3, except that the flask was changed to 500 ml flask, 70 g of water, 280 g of toluene and 35 g of 4-chloroanthranilic acid were in place of 53 g of water and 2.8 g of laurylpyridinium chloride, and that the reaction temperature was maintained at 15-25° C., 41.0 g of 7-chloroisatoic anhydride (purity: 94%) was obtained.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05981749 |
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| Source dataset | uspto-grants-1999_11 |
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| ORD ID | ord-c5f130b027004225ac950ec4ee205d4e |
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| Source note | uspto-grants-1999_11 |
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