Acetic Anhydride → HCID 12803438, compound

Participants

Reaction Steps

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 ethyl acetate to yield the title compound Formula (2) in Sequence 2 as a white solid; m.p. 81°-82° C.

Provenance & Evidence