Process for preparing 5-hydroxyhydantoin

Details Process for preparing 5-hydroxyhydantoin Process for preparing 5-hydroxyhydantoin

1991-02-20

1992-05-05

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D23378

Patent

active

051109441

ABSTRACT:
A process for preparing 5-hydroxyhydantoin which comprises oxidizing 4,5-dihydroxyimidazolin-2-one having formula (I): ##STR1## with hydrogen peroxide in an aqueous medium in the presence of a metal ion. According to the process, 5-hydroxyhydantoin is readily prepared from inexpensive starting materials.

REFERENCES:
Abblard et al., Bull. Soc. Chimique, No. 3, pp. 942-946 (1971).
Chemical Abstracts, vol. 112, No. 9, Abst. 76761 (1990).
Matsui et al., J. Org. Chem. vol. 55, No. 4, pp. 1396-1399 (2-1990).
Fieser and Fieser, Reagents for Organic Synthesis, vol. 5 p. 130 (Wiley-Interscience 1975).

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