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Paper | Regular issue | Vol 43, No. 1, 1996, pp.49-52
Published online, 1st January, 1970
DOI: 10.3987/COM-95-7205
Preparation of 2,4-Imidazolidinediones (Hydantoins) from α-Keto Hemithioacetal and Ureas

Jian Ping Zou,* Zhong E Lu, Li Hua Qiu, and Ke Qian Chen

*Department of Chemistry, Suzhou University, Suzhou 215006, Jiangsu Province, The People's Republic of China


5-Phenyl-2,4-imidazolidinedione (3a) and 1-aryl-5-phenyl-2,4-imidazolidinediones (3b-d) have been synthesized from α-keto hemithioacetal and urea or arylureas.