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Author: Subject: Copper hydride as a reducing agent?
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[*] posted on 19-6-2021 at 08:06
Copper hydride as a reducing agent?


I saw the chemplayer video where they make copper hydride. I was wondering if it would work as a substitute for sodium borohydride, or if it was possible to convert it to sodium hydride by a simple displacement reaction in something like THF or dioxane.



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[*] posted on 20-6-2021 at 00:35


Don't think so, but maybe.

Copper is very decent Hydrogenation Catalyst. Unfortunately, it is too reactive.

Platinum, Palladium, Ect... Gold Maybe. More Nobel than Copper.

Copper Chromite or Copper Barium Chromite, are good hydrogenation catalysts. But, lots of pressure is required.

Sodium Hydride and Sodium Aluminum Hydride, aren't really hard to make, but you need a pressure reactor.
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[*] posted on 20-6-2021 at 03:29


What about copper borohydride? Just a thought.
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[*] posted on 20-6-2021 at 04:35


That’s interesting. If copper hydride is easily made then maybe the borohydride could be prepared and then displaced with a sodium cation?

Or maybe the copper hydride can be used to make sodium hydride by reacting it with sodium metal? If there is no issue with an amalgam(alloy?) forming



[Edited on 20-6-2021 by Opylation]
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[*] posted on 20-6-2021 at 06:14


Actually, the thought of the hydride reacting with molten sodium seems pretty promising. I don't think the borohydride can be prepared, it bursts into flames at high temp, and slowly decomposes at temperatures above -5C. Going on a whim, I think that the copper hydride is soluble in dioxane, and so is sodium chloride. Sodium hydride isn't, so it might displace the copper.



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[*] posted on 20-6-2021 at 23:29


Perhaps you know too much already, to learn anything new.
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[*] posted on 22-6-2021 at 16:04


@ zed, what does that mean?



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