Preparation of 1-hydroxyimidazole

Details Preparation of 1-hydroxyimidazole Preparation of 1-hydroxyimidazole

1990-09-24

1992-05-12

Morris, Patricia L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548323, 548329, C07D23356, C07D23502, C07D23508, C07D23518

Patent

active

051129850

ABSTRACT:
The preparation of 1-hydroxyimidazoles of the formula I ##STR1## where the R radicals can be identical or different and are each halogen or an organic radical, it also being possible for vicinal radicals to be connected to form an aromatic or nonaromatic ring of from 3 to 12 carbon atoms, and n is from 0 to 3, entails reacting an imidazole of the formula II ##STR2## where Q is preferably hydrogen or, especially where R is not halogen, an alkali metal or alkaline earth metal cation, with an organic peroxide.
The products are valuable intermediates for organic syntheses.

REFERENCES:
patent: 3850953 (1974-11-01), Mamalis et al.
patent: 4062966 (1977-06-01), Gymer
patent: 4945166 (1990-07-01), Baus et al.
patent: 4945167 (1990-07-01), Baus et al.
Chem. Ber., vol. 102, (1969), 4177-4187.
Houben-Weyl, "Methoden der Organischen Chemie", vol. X/1 (1971), Part 1, pp. 1135-1137.
Akagane et al., "Imidazoles II. General, etc.", CA 72:31693u (1970).
R. C. Elderfeld, "Heterocyclic Compounds", 5, 306, N.Y.: John Wiley & Sons, 1952.
Katritzky, "Compr. Het. Chem", 5, 393, 376, N.Y.; Pergamon, 1989.

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