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There is a reduction reaction of phenol with zinc dust which is found in many books.

$\ce{Ph-OH + Zn -> Benzene + ZnO}$

However, a simple google search fails to explain anything about the reaction. So, I put forth my questions:

1) What is the name of the reaction and who invented it?

I have already done a google search, but it yields no results. My textbook also mentions nothing about the inventor of the reaction, or any name of the reaction. I understand that every reaction might not have a name, but at least it must have an inventor. You can't say that the reduction of phenol by distilling it with zinc dust is known from time immemorial. Can you?

2)What is the reaction mechanism of the reaction?

This and this page writes about a mechanism of the reaction. If drawn, I suppose it would look like this: mechanism It would certainly explain the formation of biphenyl and hydrogen ( if they are indeed formed). But the problem is that no reference is given in the answers. There is at least one book or paper which wrote about the mechanism.

So, if you answer, please add a reference if possible. If you think that the above mechanism might be incorrect, then also add an answer. I want your insights on this problem.

[Note: There is another question at Reaction of phenol with Zinc dust which is similar. But I have already drawn a mechanism and I am asking a different question here. So I don't think this question is a duplicate.]

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  • $\begingroup$ Strongly related though unanswered: chemistry.stackexchange.com/questions/8994/… $\endgroup$ – Nilay Ghosh Dec 25 '17 at 16:02
  • $\begingroup$ Even you questioned once: chemistry.stackexchange.com/questions/81717/… $\endgroup$ – Nilay Ghosh Dec 25 '17 at 16:06
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    $\begingroup$ If this gets answer, old unanswered should be closed as dupe. BTW why everyone thinks that mechanisms for heterogenic reactions are known? $\endgroup$ – Mithoron Dec 25 '17 at 19:15
  • $\begingroup$ @NilayGhosh, Yes I did post a question but that is a different question. And I have already mentioned about the related question in my question in the [note] part. $\endgroup$ – Shoubhik Raj Maiti Dec 26 '17 at 8:43

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