Process for producing 2-alkyl-4-halo-5-formylimidazoles
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United States of America Patent
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Jun 7, 1994
Issued Date -
N/A
app pub date -
Dec 31, 1992
filing date -
Jun 5, 1990
priority date (Note) -
Expired
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Abstract
This invention provides a process for producing 2-alkyl-4-halo-5-formylimidazoles which includes halogenating 2-alkyl-5-formylimidazoles with a N-halosuccinimides in the presence of dioxane or mixture of dioxane and ethylene glycol monomethylether as solvent and in the presence of alkali metal hydrogen carbonate as catalyst, which are readily available, with good yield.
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