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Topic: 3,4-Dihydroxybenzaldehyde  (Read 15201 times)

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Offline lutesium

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Re: 3,4-Dihydroxybenzaldehyde
« Reply #15 on: April 08, 2009, 05:29:06 AM »
Quote from: Rishi on April 03, 2009, 08:16:39 AM
Is it possible to demethylate Vannilin to get 3,4-Dihydroxybenzaldehyde ?
What would be a safer choice, aqueous HBr or Sulfuric acid ?

I think the best choice for this is the usage of Pyridine (or Et3N) and AlCl3!


Lutesium...
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Offline Rishi

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Re: 3,4-Dihydroxybenzaldehyde
« Reply #16 on: April 08, 2009, 07:15:54 AM »
That is a possibility but the outcome is lower yields.
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