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Author Topic: Desulfurization of C-S to C-H bond using Raney-Nickel  (Read 3629 times)

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Marie_Curie

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Desulfurization of C-S to C-H bond using Raney-Nickel
« on: May 24, 2005, 07:11:30 PM »

Hello everybody,

Would you please help me out with a mechanism question.
The mechanism I am talking about is reducing a C-S bond to C-H using Raney-Ni as a catalyst in a hydrogen atmosphere.  I know that the mechanism could be radicalic and I suspect that hydrogen is adsorbed onto the catalyst surface the same way H2 does in the case of hydrogenation of the alkenes.
I would greatly apprecaite if you could give me more details about this mechanism.
Thank you in advance for your help.
Have a great evening!

Sincerely,
Marie
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Re:Desulfurization of C-S to C-H bond using Raney-Nickel
« Reply #1 on: May 25, 2005, 07:20:25 AM »

The exact mechanism isn't known, but it is likely that it is a free radical mechanism.
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Marie_Curie

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Re:Desulfurization of C-S to C-H bond using Raney-Nickel
« Reply #2 on: May 25, 2005, 06:57:38 PM »

Thank you so much for your prompt answer, I really appreciate it.
Marie
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