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A simple and novel route for synthesis of new spirocyclic compound is developed. The present work involves condensation of ethyl nipecotate with 2-furaldehyde followed by the MnO<sub>2</sub> oxidation to give the <em>β</em>-keto ester which upon reaction with hydrazine hydrate gives the spiro pyrazolone

tert-Butyl 1-(Furan-2-yl)-4-oxo-2,3,7-triazaspiro[4.5]dec-1-ene-7-carboxylate