Method for synthesizing compound 3-(3-amino furazan-4-yl)-4-hydroxy-1-oxygen-2, 4-diaza-spiran-2-alkene

The invention discloses a method for synthesizing a compound 3-(3-amino furazan-4-yl)-4-hydroxy-1-oxygen-2, 4-diaza-spiran-2-alkene. The method comprises the following steps of adding 3-amino-4-dioxime furazan and an organic solvent into a reaction bottle while stirring at 20-25DEG C, then adding cyclohexanone, tetrahydro-4H-pyran-4-ketone, thiophane-3-ketone or 4-acetamino cyclohexanone, reacting for 30 minutes-12 hours while stirring at 0-40DEG C, after reaction, removing the organic solvent through evaporating, carrying out column chromatography isolation on the product so as to obtain the 3-(3-amino furazan-4-yl)-4-hydroxy-1-oxygen-2, 4-diaza-spiran-2-alkene, wherein the molar ratio of 3-amino-4-dioxime furazan to cyclic ketone is 1:(1-5), and the organic solvent is selected from methyl alcohol, ethyl alcohol or acetonitrile. The method is mainly used for synthesizing the compound 3-(3-amino furazan-4-yl)-4-hydroxy-1-oxygen-2, 4-diaza-spiran-2-alkene, the compound can be further synthesized into useful me