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Author: Subject: Help with a Salicylaldehyde lithium complex
Zanls
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[*] posted on 22-1-2015 at 12:20
Help with a Salicylaldehyde lithium complex


Last week our class prepared Salicylaldehyde Diaquolithium(1). i can't for the life of my figure out the actual structure of it. I understand the mechanism and what is happening, but not the final product. If anyone could model this for my I would be greatly appreciative.

Thanks for your help !
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DraconicAcid
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[*] posted on 22-1-2015 at 17:46


Draw the structure of salicylaldehyde. Which hydrogen is the acidic one? Take it off, and make it an anion, with a lithium cation.




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Darkstar
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[*] posted on 22-1-2015 at 20:17


I think what he's having difficulty with is figuring out the structure of the actual lithium-salicylaldehyde complex itself. I already had ChemDraw open so I figured I'd draw it for the OP. Coordination chemistry isn't exactly my strongest area (inorganic in general, really), but I'm pretty sure this is what it looks like:

lithium2.bmp - 213kB

Can anyone confirm this for the OP?
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Zanls
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[*] posted on 23-1-2015 at 10:33


This makes sense; we took a proton NMR and the peaks seem to match this structure. Thanks :)
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