Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Formic Acid | HCID 284 | — |
| Reactant | Hydroquinone | HCID 785 | — |
| Reactant | HCID 23333694 | HCID 23333694 | — |
| Solvent | Acetic Anhydride | HCID 7918 | — |
| Product | HCID 12767207 | HCID 12767207 | — |
Reaction Steps
3-n-Butyl-5-methyl-5-hydroxyhydantoin (5.1 g 0.027 mole) was added to an ice-cold solution of 80% formic acid (50 ml) in acetic anhydride (60 ml) containing a small amount of hydroquinone (0.1 g) and the mixture heated on an oil-bath at 120° C. for 15 minutes. The mixture was then cooled to room-temperature and the solvents removed on the rotary evaporator under reduced pressure, yielding an oil which readily crystallised. The title product was crystallised from ethyl acetate-light petroleum (b.p. 40°-60° C.) to yield the product as prisms, m.p. 73° C. Yield=4.3 g=94%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US04230709 |
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| Source dataset | uspto-grants-1980_10 |
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| ORD ID | ord-82f0773591a3415b9a048dca4b4f4f80 |
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| Source note | uspto-grants-1980_10 |
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