反应详情

140 mg (0.37 mmol) ethyl 6-(3-methyl-2,5-dioxo-1′,3′-dihydrospiro[imidazolidin-4,2′-inden]-5′-ylamino)pyrimidine-4-carboxylate, 5 mL ethanol and 1 mL (1.0 mmol) of a 1M NaOH solution were stirred for 2 h at RT. The reaction mixture was combined with 1 mL of a 1M hydrochloric acid solution and the ethanol was eliminated i.vac. The aqueous residue was cooled and the precipitated product was suction filtered, washed with water and dried.

1. temperatureThe aqueous residue was cooled
2. filtrationfiltered
3. washwashed with water
4. customdried