HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 977197Erstellt: 25. Oktober 2026
Piperidine → 5-[(3,4-Dihydroxy-5-nitrophenyl)methylidene]-2-thioxothiazolidin-4-one
https://huagongshe.com/reaction/977197
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|
| Edukt | Piperidine | HCID 8082 | — |
| Edukt | Rhodanine | HCID 1201546 | — |
| Edukt | 3,4-Dihydroxy-5-nitrobenzaldehyde | HCID 5748957 | — |
| Lösungsmittel | Acetic Acid | HCID 176 | — |
| Produkt | 5-[(3,4-Dihydroxy-5-nitrophenyl)methylidene]-2-thioxothiazolidin-4-one | HCID 53862151 | — |
Reaktionsschritte
A solution containing 2.1 g (0.0157 mol) of rhodanine, 2.76 g (0.0151 mol) of 3,4-dihydroxy-5-nitrobenzaldehyde and 0.15 ml of piperidine in 10 ml of acetic acid was heated for 7-8 h at 100° C. After cooling the crystals were filtered and washed with 2-propanol. Yield 4.0 g (89%), mp >350° C. (decomp.).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patentnummer | US05614541 |
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| Quelldatensatz | uspto-grants-1997_03 |
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| ORD ID | ord-66addbede7dd4f95a1f4c797e968fe42 |
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| Quellennotiz | uspto-grants-1997_03 |
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