METHOD OF PREPARING 3-ACETYL-5,5-DIMETHYLHYDANTION Russian patent published in 1999 - IPC

Abstract RU 2131873 C1

FIELD: synthesis of heterocyclic compounds, more particularly low-temperature peroxide bleaching. SUBSTANCE: 3-acetyl-5,5-dimethylhydantion is prepared by reacting 5,5-dimethylhydantion with acetic anhydride at 110-120 C at 5,5-dimethylhydantion to acetic anhydride molar ratio of 1:3 to 1:5. EFFECT: improved properties of pure 3-acetyl-5,5-dimethylhydantion. 1 ex, 3 dwg, 1 tbl

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RU 2 131 873 C1

Authors

Bazanova G.V.

Ivanov V.A.

Dates

1999-06-20—Published

1998-06-04—Filed