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Abstract
Hydantoins, thiohydantoins, and glycocyamidines have been prepared in moderate to excellent yields at room temperature under solvent-free conditions. 3N-amino and carboamide derivatives of hydantoin (7–8) were prepared in single step by condensing benzil with semicarbazide and biuret respectively.
ACKNOWLEDGMENT
One of the authors is thankful to the Higher Education Commission of Pakistan for providing a fellowship.