Ethyl 5-methyl-1,3,4-oxadiazole-2-carboxylate → Potassium 5-methyl-1,3,4-oxadiazole-2-carboxylate

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반응 단계

To a slurry of potassium trimethylsilanolate (411 mg, 3.20 mmol) in ether stirring at rt, was added in one portion ethyl 5-methyl-1,3,4-oxadiazole-2-carboxylate (0.50 g, 3.20 mmol). Immediate precipitation was observed with the color changing from white to off-white. The precipitate was removed by filtration, was washed with ether and dried to give the title compound as an off-white solid (580 mg, quantitative yield). 1H NMR (300 MHz, CDCl3): δ 2.61 (3H, s). 13C NMR (75 MHz, D2O): δ 166.7, 161.3, 159.3, 10.4.

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