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Paper | Regular issue | Vol 41, No. 2, 1995, pp.303-308
Published online, 1st January, 1970
DOI: 10.3987/COM-94-6929
Synthesis of Triazolidine-1,3,5,7-tetraone and Pyrimidin[1,5]diazepine Derivatives by Carbon Suboxide

Leonardo Bonsignore* , Filippo Cottiglia, Giuseppe Loy, and Daniela Secci

*Dipartimento Farmaco Chimico Tecnologico, Università di Cagliari, Via Ospedale 72, I-09124, Cagliari, Italy


A one step synthesis of 6H-pyrazolidin[1,2-a][1,2,4]triazolidine-1,3,5,7-tetraones and pyrimidino[1,5]diaza- and thiazepines by carbon suboxide is here described.