Journal of Heterocyclic Chemistry p. 911 - 915 (1999)
Update date:2022-08-30
Topics:
Kong, Yung Cheol
Kim, Kyongtae
Treatment of arylglyoxal monohydrates with tetrasulfur tetranitride in p-dioxane at reflux afforded 2-aroyl-5- arylimidizoles and 2-aroyl-5-aryloxazoles in 10 to 31% and 17 to 32% yields, respectively. With non-hydrate of arylglyoxals, yields of the latter increase somewhat, whereas essentially no changes in yields of the former were observed. A mechanism is proposed for the formation of the products.
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