Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Aniline | HCID 6115 | — |
| Reactant | 2H-1,3-oxazol-2-id-4-one | HCID 53249566 | — |
| Catalyst | Titanium oxide (Ti3O) | HCID 162651 | — |
| Product | 1-Phenylimidazolidin-2-one | HCID 255273 | 47% |
Reaction Steps
Aniline (15.40 g; 0.165 mole) and 2-oxazolidone (9.60 g; 0.110 mole) were refluxed for 6.5 hours with 1.00 g (0.0125 mole) of titanium dioxide (Harshaw Ti 0720 which had been calcined at 300° C. for 4 hours). The reaction mass was cooled to 0° C. and the crystals which had formed were filtered off. The crystals were recrystallized from ethanol to give N-phenylimidazolidone in 47% yield. The conversion based on 2-oxazolidone was 99%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | USRE032896 |
|---|
| Source dataset | uspto-grants-1989_03 |
|---|
| ORD ID | ord-b2466abfa70042149f223bb986a40272 |
|---|
| Source note | uspto-grants-1989_03 |
|---|
