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Synthesis of substituted Furo[2 ',3 ': 4,5]pyrrolo[1,2-d][1,2,4]triazolo[3,4-f][1,2,4]triazines

A. Krutošíková and M. Dandárová

Department of Organic Chemistry, Faculty of Chemical Technology, Slovak University of Technology, SK-812 31 Bratislava

 

E-mail: krutosik@chelin.chtf.stuba.sk

Abstract: 2,3-Dimethylfuro[3,2-b]pyrrole-2-carbohydrazide was used in the synthesis of 2,3-dimethyl-7H-furo[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazin-1-ones. These compounds with phosphorus(V) sulfide afforded 2,3-dimethylfuro[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazin-1-thiones, which with hydrazine hydrate yielded 8-hydrazono-2,3-dimethylfuro [2',3':4,5]pyrrolo[1,2-d] [1,2,4]triazines. By their reactions with orthoesters dimethylfuro[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazolo[3,4-f][1,2,4]triazines were obtained.

Full paper in Portable Document Format: 532a123.pdf

 

Chemical Papers 53 (2) 123–125 (1999)

Tuesday, March 05, 2024

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