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Author: Subject: Reduction of Camphor into Isoborneol
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[*] posted on 6-10-2011 at 19:59
Reduction of Camphor into Isoborneol

Hi Geeks,

How can I reduce Camphor (in ethanol solution) to Isoborneol, using K2S2O5 as my reducing agent ?? . I don't have any access to NaBH4, so I cannot use that.

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[*] posted on 7-10-2011 at 05:21

I think you can make borneol by refluxing camphor in alcohol with amalgamated aluminium. Then you can isomerize it to isoborneol.
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[*] posted on 15-12-2014 at 10:26

You can easily make borneol by melting camphor with ascorbic acid. I've tried that, the ascorbic acid (or the oxidized form thereof) turned into red-black goo like when you boil certain sugars in NaOH (caramel, basically).

It's fast and easy, and no I have no reference for this reaction, but I believe my nose. At the end of the reaction the camphor smell was minimal, and a very nice smell of borneol appeared. It is very indistinctive, though.

This is "borneol snow" that I created in the test tube.
Borneol snow

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