p-Toluenesulfonic acid → HCID 19047483, Verbindung
Reaktionsgleichung
[O:1]1[CH:5]=[CH:4][C:3]([C:6]2(O)[C:14]3[O:13][CH:12]=[CH:11][C:10]=3[CH2:9][CH2:8][CH2:7]2)=[CH:2]1.C1(C)C=CC(S(O)(=O)=O)=CC=1>C1(C)C=CC=CC=1>[O:1]1[CH:5]=[CH:4][C:3]([C:6]2[C:14]3[O:13][CH:12]=[CH:11][C:10]=3[CH2:9][CH2:8][CH:7]=2)=[CH:2]1Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
To a mixture of 16.3 g of the above alcohol in 400 ml of toluene was added 100 mg of p-toluenesulfonic acid and the mixture was placed on a Rotovap® and the solvent was distilled in vacuo (40 mm/50° C.) until a brown-red residue was obtained yielding 14.3 g (96%) of 4,5-dihydro-7-(3-furyl)benzofuran as a red oil.
Aufarbeitung
- distillationthe solvent was distilled in vacuo (40 mm/50° C.) until a brown-red residue
- customwas obtained
Quellen und Nachweise
- ORD-Eintrag
- ord-d9a08c889f694d50afd7f1bd6ba346fb
- Quelldatensatz
- uspto-grants-1996_10
- Patentnummer
- US05569655
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