Sodium Iodide → Ethyl 3-Hydroxybutyrate

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Under a nitrogen gas atmosphere, 0.0096 g (7.3×10-6 mol) of [RuI(p-Cymene)((+)-SO3Na-BINAP)]I, 0.1164 g (7.8×10-4 mol) of NaI, 1 ml (7.5×10-3 mol) of ethyl acetoacetate, and 1.5 ml of water were charged in a 100 milli-liter autoclave. After displacing the inside atmosphere of the autoclave with a hydrogen gas, the autoclave was pressed at a hydrogen pressure of 50 kg/cm2 and the mixture was stirred for 40 hours at 65° C. After the reaction was over, the hydrogen gas was removed, and after added thereto 100 ml of water and 100 ml of ether, the ether extraction was carried out. The ether extract was recovered, dried with anhydrous sodium sulfate, and further ether was distilled off to provide 0.62 g (percent yield 63%) of ethyl 3-hydroxybutyrate. By the analysis of gas chromatography (PEG-HT), the conversion ratio was determined to be 99%.

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