HuagongsheHuagongshe Chemistry Print Report · For research reference only
3,5-Dibromo-4-Hydroxybenzaldehyde → 5-[(3,5-Dibromo-4-hydroxyphenyl)methylene]-2-thioxo-4-imidazolidinone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3,5-Dibromo-4-Hydroxybenzaldehyde | HCID 18100 | — |
| Reactant | Sodium Acetate | HCID 517045 | — |
| Reactant | 2-Thiohydantoin | HCID 1274030 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | 5-[(3,5-Dibromo-4-hydroxyphenyl)methylene]-2-thioxo-4-imidazolidinone | HCID 2866085 | 24.7% |
Reaction Steps
Prepared according to the procedure described in Example 1 using 3,5-dibromo-4-hydroxybenzaldehyde (4.5 g, 16 mmoles), 2-thiohydantoin (1.7 g, 15 mmoles), sodium acetate (4.5 g, 55 mmoles), and acetic acid (35 ml). Recrystallization from ethanol gave the pure product (1.4 g), mp 267° C. (dec).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05208250 |
| Source dataset | uspto-grants-1993_05 |
| ORD ID | ord-91273e9ebc8a4d6f8875ec1ee2435cda |
| Source note | uspto-grants-1993_05 |