Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Pyridine | HCID 1049 | — |
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | HCID 53751268 | HCID 53751268 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | HCID 178439583 | HCID 178439583 | — |
Reaction Steps
A mixture of 3 g of 2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid -1-oxide, 2.24 g of acetic anhydride, and 0.4 g of pyridine in 80 mL of toluene is stirred and heated at reflux for 3 hours. The reaction mixture is cooled to 10° C. and 75 mL of cold water is added with vigorous stirring. The resulting yellow solid is filtered, washed with toluene, and air dried. Recrystallization of this solid from methanol affords the desired product as a white solid, mp 201°-203° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05334576 |
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| Source dataset | uspto-grants-1994_08 |
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| ORD ID | ord-89cdbf3a7a3e492c92caea7c2597a117 |
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| Source note | uspto-grants-1994_08 |
|---|