Reactions of arylglyoxals with tetrasulfur tetranitrides (S4N4): Formation of 2??aroyl??5??arylimidazoles and 2??aroyl??5??aryloxazoles

YC Kong, K Kim

Index: Kong, Yung Cheol; Kim, Kyongtae Journal of Heterocyclic Chemistry, 1999 , vol. 36, # 4 p. 911 - 915

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Citation Number: 8

Abstract

Abstract 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