Acetic Anhydride → HCID 12803438, compound

HRID 371773Notes

Reaction equation

HRID 371773 reaction equation
[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]

Participants

3

Reactant 2

HCID 7918Acetic AnhydrideHCID 12803422HCID 12803422, compound

Product 1

HCID 12803438HCID 12803438, compound

Procedure

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.

Workup

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

Sources & evidence

ORD record
ord-a50e3baf93f1486888ba1bdab52b26b4
Source dataset
uspto-grants-1978_05
Patent number
US04087611

Reaction notes

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