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Synthesis of new derivatives of bis-3(4-R-delta2-1,2,4-triazolin-5-one)
1Department of Organic Chemistry, Faculty of Pharmacy, Medical University, Lublin, Poland.
Acta Poloniae Pharmaceutica
|November 6, 2001
Abstract:
In the reaction of oxalic acid hydrazide with isocyanates, new derivatives of semicarbazide were obtained [I-XII]. Cyclization of these derivatives with an aqueous 2% sodium hydroxide led to formation of new derivatives of delta2-1,2,4-triazolin-5-one [XIII-XXIV].