HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
3,5-Dibromo-4-Hydroxybenzaldehyde → 5-[(3,5-Dibromo-4-hydroxyphenyl)methylene]-2-thioxo-4-imidazolidinone
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 3,5-Dibromo-4-Hydroxybenzaldehyde | HCID 18100 | — |
| Edukt | Sodium Acetate | HCID 517045 | — |
| Edukt | 2-Thiohydantoin | HCID 1274030 | — |
| Lösungsmittel | Acetic Acid | HCID 176 | — |
| Produkt | 5-[(3,5-Dibromo-4-hydroxyphenyl)methylene]-2-thioxo-4-imidazolidinone | HCID 2866085 | 24,7% |
Reaktionsschritte
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).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05464856 |
| Quelldatensatz | uspto-grants-1995_11 |
| ORD ID | ord-628e0f9dcd8f4aa5bb2a85c7ec74e74a |
| Quellennotiz | uspto-grants-1995_11 |