硫代乙酸鉀是一種有機硫化合物,化學式為CH3COS−K+。它是可溶於水的白色固體,可用於製備硫代乙酸酯及其衍生物。[2]
製備及反應
硫代乙酸鉀由市售品,可以直接購得。它也可由乙酰氯和硫化氫鉀反應得到:
- CH3COCl + 2 KSH → KCl + CH3COSK + H2S
它和烷基化試劑(如鹵代烴)反應得到硫代乙酸酯,水解得到硫醇:[3]
- CH3COSK + RX → CH3COSR + KX (X = 鹵素)
- CH3COSR + H2O → CH3CO2H + RSH
參考文獻
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