Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Anthranilic Acid | HCID 227 | — |
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | Potassium cyanate | HCID 11378442 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 178518333 | HCID 178518333 | 90.1% |
Reaction Steps
To a mixture containing 41 g of 2-aminobenzoic acid (0.3M), 21 of water and 34 ml of acetic acid, was dropwise added 54 g of potassium cyanate dissolved in 200 ml of water. The resultant was stirred for an hour and slowly added with 60 g of 0.3M aqueous sodium hydroxide so as not to exceed the reaction temperature of 40° C. The solution, while heated to 90° C., was stirred for 30 minutes, and then cooled to 0° C. The resultant was acidified by adding a concentrated hydrochloric acid and the solids thus produced were filtered to obtain 43.7 g of the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05686458 |
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| Source dataset | uspto-grants-1997_11 |
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| ORD ID | ord-c56e3f5695b64ff6a869326b8e4a82da |
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| Source note | uspto-grants-1997_11 |
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