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Nitrostyrenes to oximes with sodium dithionite

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Hanswurst:
Does not work, extremely low yield.

arseholio:
How about zinc dithionite? I reckon it could reduce to the amine?

arseholio:
And what causes the discoloration of this reaction? Is the product come kind of bisulphite adduct od the ketone? Any suggestion for the reaction mechanics?

b6baddawg:
im really not sure how to explain but how about using sodium sulfite? p2p not the oxime tho

lullu:

--- Quote from: Hanswurst on July 24, 2016, 09:55:08 AM ---Does not work, extremely low yield.

--- End quote ---

Thanks for reporting Hans!
can you go a bit into detail I assume you reduced some nitropropene to the alleged oxime followed by Mg reduction?
Did you isolate it in between?

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