Journal of heterocyclic chemistry

Condensation reactions of benzils with ureas in ethylene glycol

CK Lee, SH Kim, YB Kim

Index: Lee, Chang Kiu; Kim, Sun Hee; Kim, Yong Bun Journal of Heterocyclic Chemistry, 1996 , vol. 33, # 4 p. 1019 - 1024

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Citation Number: 3

Abstract

Abstract Reactions of benzils and urea in ethylene glycol at 180 for 1-2 hours gave 2, 4, 5- triaryloxazoles as major products and bicyclic imidazoimidazole-2, 5-diones as minor products. N-Methylurea and N-phenylurea gave the oxazoles under similar conditions. The