Reactions of arylglyoxals with tetrasulfur tetranitrides (S 4 N 4 ): Formation of 2‐aroyl‐5‐arylimidazoles and 2‐aroyl‐5‐aryloxazoles | Zendy

Kong Yung Cheol | Zendy; Kim Kyongtae | Zendy

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Reactions of arylglyoxals with tetrasulfur tetranitrides (S 4 N 4 ): Formation of 2‐aroyl‐5‐arylimidazoles and 2‐aroyl‐5‐aryloxazoles

Author(s) -

Kong Yung Cheol,

Kim Kyongtae

Publication year - 1999

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570360414

Subject(s) - chemistry , hydrate , reflux , mechanism (biology) , medicinal chemistry , organic chemistry , medicine , epistemology , philosophy , disease

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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