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[*] posted on 20-12-2013 at 21:46
What you get if


you used a solution of niacin, poured into a flask containing an ample amount of freshly prepared, activated aluminum?



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[*] posted on 21-12-2013 at 14:22


I don't suspect much would happen at all.



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[*] posted on 21-12-2013 at 15:04


Only thing that can react to is a homogenous mass of niacin and aluminum.
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[*] posted on 21-12-2013 at 15:08


Aluminium oxide and hydrogen, plus niacin in solution.

[Edited on 21-12-2013 by plante1999]




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[*] posted on 21-12-2013 at 15:17


Quote: Originally posted by plante1999  
Aluminium oxide and hydrogen, plus aluminium in solution.


I doubt niacin is strong enough to react with Al. It's strength could be easily compared with benzoic or citric acid.

[Edited on 21-12-2013 by Random]
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[*] posted on 21-12-2013 at 15:30


The poster said activated aluminium, AKA amalgamated in general.

EDIT, I had made a typo.

[Edited on 21-12-2013 by plante1999]




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[*] posted on 21-12-2013 at 21:16


how about aa and pyridine? plante1999, making use of the Kontes micro?







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[*] posted on 21-12-2013 at 21:19


I did use it a fair amount of time, and even baugth two borther for it, one kontes and one supelco. Although my scale was not enough precise, really...

I don't think carboxilate can be reduced this way, catalysed decarboxilation would be better for sure.




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[*] posted on 22-12-2013 at 09:10


Quote: Originally posted by plante1999  

I don't think carboxilate can be reduced this way, catalysed decarboxilation would be better for sure.


Niacin is not a carboxylate, but a carboxylic acid. Magpie posted a thread in the Prepublications section on its thermal decarboxylation with a copper chromite catalyst.




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[*] posted on 22-12-2013 at 09:12


I was reffering to the family of molecules containing a carboxylate group.



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[*] posted on 22-12-2013 at 09:18


Quote: Originally posted by plante1999  
I was reffering to the family of molecules containing a carboxylate group.


Carboxylates are salts or esters of carboxylic acids, which is termed a homologous series. You are referring to the carboxyl functional group.




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[*] posted on 22-12-2013 at 12:17


Well, well, I assume I made a typographical mistake. I meant that RCO2R and RCO2H at the same time.



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[*] posted on 22-12-2013 at 12:25


Quote: Originally posted by plante1999  
Well, well, I assume I made a typographical mistake. I meant that RCO2R and RCO2H at the same time.


Bullshit. I appreciate that English is not your first language, but attempting to use this to excuse a lack of understanding, is ridiculous.

RCO2R' are esters, whereas RCO2H are carboxylic acids.

[Edited on 22-12-2013 by Hexavalent]




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[*] posted on 22-12-2013 at 12:41


You have to understand hexavalent, that I have the molecule in my head, and what I type is not what I think necessarily due my English skills. But think what you like.



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[*] posted on 22-12-2013 at 13:38


Alright, that's enough.

[Edited on 23.12.13 by bfesser]




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