Alumina promoted cyclization of α-nitro-oximes: a new entry to the synthesis of 1,2,5-oxadiazoles N-oxides (furoxans)

✍ Scribed by Massimo Curini; Francesco Epifano; Maria Carla Marcotullio; Ornelio Rosati; Roberto Ballini*; Giovanna Bosica

• Publisher: Elsevier Science
• Year: 2000
• Tongue: French
• Weight: 77 KB
• Volume: 41
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)01422-2

✦ Synopsis

A convenient method for the synthesis of 1,2,5-oxadiazole-N-oxides (furoxans) from a-nitro-ketoximes using acidic alumina as catalyst is described.