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亚磺酸

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亚磺酸的结构通式。
亚磺酸的结构通式。

亚磺酸是一类亚磺酸基(-SO2H)与烃基(-R)相连而成的化合物的统称。通式 RSO2H。可用作有机合成及电镀添加剂,也可作氧化还原聚合反应的催化剂

例子

性质

一般为油状液体或结晶。低级亚磺酸可溶于水,呈酸性,酸性较羧酸强,但比磺酸弱。 与卤代烃反应生成。 不稳定,可发生歧化反应,也易被氧化为磺酸。

制取

可由重氮盐Sandmeyer反应磺酰氯还原制得。[1]

参考资料

  1. ^ Whitmore, F. C.; Hamilton, F. H. Sodium p-Toluenesulfinic Acid 2: 89. 1922. doi:10.15227/orgsyn.002.0089. 

参见

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亚磺酸
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