Stannous chloride dihydrate → HCID 178507360、化合物

関与物質

反応手順

1.00 g (5.06 mmol) of 3-chloro-5-nitro-1H-indazole was suspended in 50 ml of ethanol, and 5.71 g (25.3 mmol) of tin(II) chloride dihydrate were added. The mixture was left to stir at reflux overnight, saturated aqueous sodium bicarbonate solution was then added and the mixture was extracted three times with ethyl acetate. The combined organic phases were dried over magnesium sulphate and the solvent was removed under reduced pressure. The mixture was triturated with tert-butyl methyl ether and the solid was filtered off with suction. Yield: 544 mg (purity 90%, 58% of theory)

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