Phosgene → 3-Cyclohexyloxyacryloyl chloride

HRID 1077667Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1077667
[C:1]([Cl:4])(Cl)=[O:2].[CH:5]([O:7][CH:8]1[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1)=[CH2:6]>>[CH:8]1([O:7][CH:5]=[CH:6][C:1]([Cl:4])=[O:2])[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1

Komponenten

3

Edukt 2

HCID 6371Phosgene2×HCID 75129Cyclohexane, (ethenyloxy)-

Produkt 1

HCID 539683613-Cyclohexyloxyacryloyl chlorideAusbeute 88 %

Reaktionsbedingungen

Temperatur
50 °C

Versuchsvorschrift

50 g (0.5 mol) of phosgene were condensed into a stirred apparatus fitted with a -78° C. dry-ice condenser. 50.5 g (0.4 mol) of cyclohexyl vinyl ether were subsequently added dropwise at 20° C. over the course of 3 hours. The mixture was subsequently stirred at 50° C. for a further 5 hours. The excess phosgene was expelled by means of nitrogen, and the crude product was worked up by distillation at 110° C./2.5 mbar, giving 66.4 g (88%) of valuable product.

Aufarbeitung

  1. customcondensed into a stirred apparatus
  2. customfitted with a -78° C. dry-ice condenser
  3. distillationthe crude product was worked up by distillation at 110° C./2.5 mbar

Quellen und Nachweise

ORD-Eintrag
ord-ecf4353b466d4d758c7ac9da0a4501a6
Quelldatensatz
uspto-grants-1996_08
Patentnummer
US05543568

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