HuagongsheHuagongshe Chemistry Print Report · For research reference only
3,5-Dibromo-4-Hydroxybenzaldehyde → 5-[(3,5-Dibromo-4-hydroxyphenyl)methylene]-1-methyl-2,4-imidazolidinedione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3,5-Dibromo-4-Hydroxybenzaldehyde | HCID 18100 | — |
| Reactant | 1-Methylhydantoin | HCID 69217 | — |
| Product | 5-[(3,5-Dibromo-4-hydroxyphenyl)methylene]-1-methyl-2,4-imidazolidinedione | HCID 53995277 | 72.7% |
Reaction Steps
Prepared according to the procedure described in Example 99 using 3,5-dibromo-4-hydroxybenzaldehyde (8.4 g, 30 mmoles) and 1-methyl hydantoin (3.5 g, 30 mmoles) to afford the pure product (8.2 g), mp 271°-277° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05208250 |
| Source dataset | uspto-grants-1993_05 |
| ORD ID | ord-069e4f49a0594774bd14630391a42a19 |
| Source note | uspto-grants-1993_05 |