HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 492283Erstellt: 23. Oktober 2026
Toluene → 2-Cyclopenten-1-one, 3-methyl-2-(3-methyl-2-butenyl)-
https://huagongshe.com/de/reaction/492283
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|
| Edukt | Toluene | HCID 1140 | — |
| Edukt | 1-Chloro-3-methyl-2-butene | HCID 10429 | — |
| Edukt | Sodium Hydroxide | HCID 14798 | — |
| Edukt | 3-Methyl-2-cyclopenten-1-one | HCID 17691 | — |
| Katalysator | Trioctylmethylammonium chloride | HCID 21218 | — |
| Lösungsmittel | Acetic Acid | HCID 176 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | 2-Cyclopenten-1-one, 3-methyl-2-(3-methyl-2-butenyl)- | HCID 14758487 | 49,9% |
Reaktionsschritte
A mixture of 3-methyl-2-cyclopentenone 24.5 g (0.25 mole) and prenyl chloride 54 g (0.51 mole) was fed into a reaction flask containing 30 ml of toluene, sodium hydroxide 21.3 g, water 21.3 g and Aliquat 336 lg maintaining 100° C. The reaction mass was aged for 4 hours, cooled to 25° C. and neutralized with acetic acid. The organic layer was removed and distilled to give 20.5 g of 3-methyl-2-(3-methyl-2-butenyl)-2-cyclopenten-1-one.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patentnummer | US07531696B2 |
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| Quelldatensatz | uspto-grants-2009_05 |
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| ORD ID | ord-88e5b56f50364352b9384975ba4e7038 |
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| Quellennotiz | uspto-grants-2009_05 |
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