Furazan (1,2,5-oxadiazole) derivatives are obtained along with isoxazolines from the reaction of benzoylnitromethane with dipolarophiles in the presence of DABCO. Furazans are shown to derive from the intermediate dibenzoylfuroxan (3,4-dibenzoyl-1,2,5-oxadiazole-5-oxide) and dipolarophiles under hydrolytic conditions.
1,2,5-Oxadiazole (Furazan) derivatives from benzoylnitromethane and dipolarophiles in the presence of DABCO: structure and intermediates / L. Cecchi; F. De Sarlo; C. Faggi; Fabrizio MACHETTI. - In: EUROPEAN JOURNAL OF ORGANIC CHEMISTRY. - ISSN 1434-193X. - STAMPA. - --:(2006), pp. 3016-3020. [10.1002/ejoc.200600039]
1,2,5-Oxadiazole (Furazan) derivatives from benzoylnitromethane and dipolarophiles in the presence of DABCO: structure and intermediates.
DE SARLO, FRANCESCO;FAGGI, CRISTINA;MACHETTI, FABRIZIO
2006
Abstract
Furazan (1,2,5-oxadiazole) derivatives are obtained along with isoxazolines from the reaction of benzoylnitromethane with dipolarophiles in the presence of DABCO. Furazans are shown to derive from the intermediate dibenzoylfuroxan (3,4-dibenzoyl-1,2,5-oxadiazole-5-oxide) and dipolarophiles under hydrolytic conditions.
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