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Author: Subject: Mg instead of Al in amalgamations?
Justin
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[*] posted on 2-11-2010 at 20:26
Mg instead of Al in amalgamations?


Would Mg turnings subsitute for Al in traditional Al/Hg reductions??
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kclo4
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[*] posted on 2-11-2010 at 22:33


Quote:
Magnesium amalgam

Mainly used for removing traces of water from alcohols, which are distilled from it after refluxing.


It apparently does something and is reactive towards water.
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DJF90
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[*] posted on 3-11-2010 at 05:40


Magnesium amalgam is used sometimes in organic syntesis, the immediate case that comes to mind is in the Pinacol coupling. I'm sure you could probably find an overview in a book like Feiser or eEROS.
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zed
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[*] posted on 3-11-2010 at 05:42


Maybe. Seems like I've heard of it before. Try the search engine.

Still, Aluminum foil is a lot cheaper, and easier to come by....than Mg turnings.
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Nicodem
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[*] posted on 3-11-2010 at 10:26


Quote: Originally posted by Justin  
Would Mg turnings subsitute for Al in traditional Al/Hg reductions??

The question does not make much sense as it is now. Magnesium will not necessarily reduce the same functional groups under the same conditions as aluminium would, and vice versa.
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