Intermediate in Riemann Tiemann Reaction?

Intermediate involved in Reimer-Tiemann reaction is a carbene.

What is the intermediate in Reimer Tiemann reaction?

- In this reaction chloroform first reacts with sodium hydroxide to produce dichlorocarbene which is the intermediate of this reaction.

Is Riemann Tiemann reaction?

The Reimer–Tiemann reaction is a chemical reaction used for the ortho-formylation of phenols; with the simplest example being the conversion of phenol to salicylaldehyde. The reaction was discovered by Karl Reimer and Ferdinand Tiemann.