HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Piperidine → 5-[(3,4-Dihydroxy-5-nitrophenyl)methylidene]-3-methyl-2-thioxothiazolidin-4-one
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Piperidine | HCID 8082 | — |
| Edukt | 4-Thiazolidinone, 3-methyl-2-thioxo- | HCID 72900 | — |
| Edukt | 3,4-Dihydroxy-5-nitrobenzaldehyde | HCID 5748957 | — |
| Lösungsmittel | Acetic Acid | HCID 176 | — |
| Produkt | 5-[(3,4-Dihydroxy-5-nitrophenyl)methylidene]-3-methyl-2-thioxothiazolidin-4-one | HCID 53867513 | — |
Reaktionsbedingungen
| Temperatur | 100 °C |
|---|
Reaktionsschritte
A solution containing 0.74 g (0.005 mol) of 3-methyl-2-thioxothiazolidin-4-one, 0.92 g (0.005 mol) of 3,4-dihydroxy-5-nitrobenzaldehyde, 0.05 ml of piperidine in 10 ml of acetic acid was heated for 8 h at 100° C. The product was filtered and washed with 2-propanol. Yield 0.87 g (56%), mp 274°-276° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05614541 |
| Quelldatensatz | uspto-grants-1997_03 |
| ORD ID | ord-f3417c79332a491083a2dbbd928c35e9 |
| Quellennotiz | uspto-grants-1997_03 |