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About acidolysis and alkaline hydrolysis of dibromide

2009-04-17View Original

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Now we have a product that generates aldehyde through the acidolysis of dibromide. Because dibromide contains tribromide, the by-product acid is generated after acidolysis.; Now I want to suppress or remove the by-product acid, and I want to use alkali washing method to alkaline decompose dibromide in alkali to generate -aldehyde. The method of acidolysis is very mature, but I don't know much about the alkaline hydrolysis of dibromide. I have done experiments on alkaline deacidification of the products after acidolysis of dibromide, and the results are very few. I would like to ask if any of you have experience in the alkaline hydrolysis of dibromide or dichloride to form aldehydes! Please advise! How should it be done?
Reply #22009-04-18
If there are trihaloalkyl, alkaline hydrolysis will not produce aldehydes. When the acid generated by acid hydrolysis is removed with alkali, the alkali concentration should have a great influence, because aldehydes are unstable under alkaline conditions, so I think if you adjust the alkali concentration, it should be no problem! !
Reply #32009-04-18
I just use 5% NaOH, alkaline solution. It took a long time, so almost nothing precipitated! depressed
Reply #42009-04-18
You should have Na2CO3

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