HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Methylphenyl isocyanate → N-(4-Methylphenyl)-N'-[4-(5-oxo-4,5-dihydropyrazin-2-yl)phenyl]urea
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Methylphenyl isocyanate | HCID 69325 | — |
| Reactant | 5-(4-Aminophenyl)pyrazin-2(1H)-one | HCID 12358028 | — |
| Product | N-(4-Methylphenyl)-N'-[4-(5-oxo-4,5-dihydropyrazin-2-yl)phenyl]urea | HCID 20208665 | — |
Reaction Steps
Using a procedure similar to that of Example 17 p-tolyl isocyanate is reacted with 5-(4-aminophenyl)-2(1H)-pyrazinone (or its hydrobromide salt) to give 5-[4-(3-p-tolylureido)phenyl]-2(1H)-pyrazinone.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04657906 |
| Source dataset | uspto-grants-1987_04 |
| ORD ID | ord-07ad089960c047d5a5a1d5c51badf701 |
| Source note | uspto-grants-1987_04 |