2-Methylbenzoic acid → 2-Phenyloxolane-3-carbaldehyde

HRID 1578238Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1578238
C1(C)C(C(O)=O)=CC=CC=1.[C:11]1([CH:17]2[O:23][CH2:22][CH2:21][CH:20]=[CH:19][O:18]2)[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1>>[C:11]1([CH:17]2[CH:20]([CH:19]=[O:18])[CH2:21][CH2:22][O:23]2)[CH:12]=[CH:13][CH:14]=[CH:15][CH:16]=1

Komponenten

3

Edukt 2

HCID 83732-Methylbenzoic acidHCID 125609202-Phenyl-4,5-dihydro-1,3-dioxepine

Produkt 1

HCID 27631352-Phenyloxolane-3-carbaldehyde

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

3 g of o-toluic acid were added to 44 g (0.25 mol) of 2-phenyl-4,5-dihydro-1,3-dioxepine and the mixture was heated at 150° C. for 3 hours, while stirring. The 2-phenyltetrahydrofuran-3-aldehyde which had formed (a mixture of the cis and trans isomers) was then distilled under reduced pressure.

Quellen und Nachweise

ORD-Eintrag
ord-0464207542ca4300a01188719cca4618
Quelldatensatz
uspto-grants-1981_09
Patentnummer
US04292246

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