Hi Pragati,

I think it means reactions that don't require a terminal oxidant as they tend to be environmentally unfriendly.

Paddy

Never heard/read this expression, but I am curious about it. Can you provide us an example (paper)?

So far I can only guess that this means that no external oxidants of reductants are used for a TM catalysed C-H activation.

Redox neutral reactions are reactions which do not need  external reducing or oxidizing agent. In  this  cases,  one  part  of  the  staring  material  is  oxidized  while  the  other  is  being reduced. These reactions have attracted a lot of interest recently and are considered as"Green reactions", since there is no need for using extra harmful chemicals. See for example: doi.org/10.1002/tcr.201500274

Thank you Mohammed, have you got a good reference?

Dear Axel: There are a lot of research in the literature, mostly organic reactions catalyzed by transition metals or without catalyst. You can do a quick search if you are interested in these type of reactions, they are rather interesting.

I was thinking about the general scheme of these reactions:

E.g. C-H is activated and H is replaced by an anionic electronegative group (a nucleophile). If H is initially rather a proton and if it is splitt as a proton a carbanion remains. This needs to be oxidised to react with the incoming nucleophile (anion).

There are many cases concerning the fate of H and the start of the incoming group. A general scheme of these cases would be welcome.

Dear Koti Sir, am so happy to get resonable feedback from you. But still my doubt is ,why the 'neutral' term is used ?

Hi Pragati, If I am correct, the meaning of neutral arises using kind of buffer mixtures of HCOONa/HCOOH,....For example: https://www.nature.com/articles/nature13867.