HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
2-Chloro-3',4'-dihydroxyacetophenone → 2-(3,4-Dimethoxyphenyl)-4-(3,4-dihydroxyphenyl)thiazole hydrochloride
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 2-Chloro-3',4'-dihydroxyacetophenone | HCID 66834 | — |
| Edukt | 3,4-Dimethoxythiobenzamide | HCID 2758490 | — |
| Lösungsmittel | Ethanol | HCID 702 | — |
| Produkt | 2-(3,4-Dimethoxyphenyl)-4-(3,4-dihydroxyphenyl)thiazole hydrochloride | HCID 18707355 | 22,2% |
Reaktionsschritte
In 20 ml of ethanol were suspended 367 mg of 3′,4′-dihydroxy-2-chloroacetophenone and 430 mg of 3,4-dimethoxythiobenzamide. The suspension was refluxed for 3 hours with heating. After cooling, the resulting crystals were collected by filtration, ethanol-washed and dried. The dried material was recrystallized from ethinol to obtain 160 mg of 2-(3,4-dimethoxyphenyl)-4-(3,4-dihydroxyphenyl) thiazole hydrochloride as yellow acicular crystals.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | USRE037556E1 |
| Quelldatensatz | uspto-grants-2002_02 |
| ORD ID | ord-c25dd21cfed945f88a32716b55257814 |
| Quellennotiz | uspto-grants-2002_02 |