Acetic Anhydride → HCID 12803438, Verbindung

Reaktionsgleichung

[CH3:1][O:2][CH2:3][CH2:4][N:5]1[CH:9]=[C:8]([C:10]2[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=2)[NH:7][C:6]1=[O:16].[C:17](OC(=O)C)(=[O:19])[CH3:18]>>[CH3:1][O:2][CH2:3][CH2:4][N:5]1[CH:9]=[C:8]([C:10]2[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=2)[N:7]([C:17](=[O:19])[CH3:18])[C:6]1=[O:16]

Komponenten

Edukt 2

HCID 7918Acetic Anhydride

HCID 12803422HCID 12803422, Verbindung

Produkt 1

HCID 12803438HCID 12803438, Verbindung

Versuchsvorschrift

Approximately 21.8 g of 1-(2-methoxyethyl)-4-phenyl-4-imidazolin-2-one and 120 ml. of acetic anhydride is refluxed together for four hours. The acetic anhydride is distilled out at reduced pressure. The residual semisolid is recrystallized from ether to yield the title compound as a white solid; m.p. 73°-75° C.

Aufarbeitung

distillationThe acetic anhydride is distilled out at reduced pressure
customThe residual semisolid is recrystallized from ether

Quellen und Nachweise

ORD-Eintrag: ord-ac67e13fd66845f781201b1fbf8d6d76
Quelldatensatz: uspto-grants-1978_05
DOI: 10.6084/m9.figshare.5104873.v1
Patentnummer: US04090025

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