HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydantoin → 4-[(3,4-Dihydroxy-5-nitrophenyl)methylidene]-2,5-imidazolidindione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydantoin | HCID 10006 | — |
| Reactant | Ammonium Acetate | HCID 517165 | — |
| Reactant | 3,4-Dihydroxy-5-nitrobenzaldehyde | HCID 5748957 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | 4-[(3,4-Dihydroxy-5-nitrophenyl)methylidene]-2,5-imidazolidindione | HCID 53771631 | — |
Reaction Steps
A solution containing 0.65 g of hydantoin, 0.92 g of 3,4-dihydroxy-5-nitrobenzaldehyde and 0.15 g of ammonium acetate in 15 ml of acetic acid was refluxed overnight. The product was filtered and washed with acetic acid and 2-propanol. Yield 0.56 g (42%), mp>350° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06121303 |
| Source dataset | uspto-grants-2000_09 |
| ORD ID | ord-9fcd83fa0f5b49e9b2171e6008b9787f |
| Source note | uspto-grants-2000_09 |