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Normal valent halogen compounds and the reactions they participate in (2)

 Last Update: 2022-01-20
 Source: Internet
 Author: User

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Example 2

IBX is a typical high-valent iodine (+5 valence) reagent.

When using potassium bromate oxidation method to prepare IBX, the safe operation steps are: dissolve 20g KBrO in a 500mL three-necked flask; dissolve it in a 2mol/L 190mL sulfuric acid solution and heat it to an internal temperature of 60℃

IBX is relatively stable and can be stored for a long time, but it is explosive.

It is best to avoid using IBX directly, but to use SIBX with stabilizers

Dess-Martin periodinane (DMP) can be obtained by heating the mixture of IBX, acetic acid and acetic anhydride .

Example 3

Application process: Add compound A (22.

Remarks: Sodium periodate and the remaining trace sodium periodate after the reaction is extremely easy to explode.

Related Links: Orthovalent Halogen Compounds and Reactions Participating (1)

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