Reimer-Tiemann reaction introduces an aldehyde group on to the aromatic ring of phenol, ortho to the hydroxyl group. This reacrtion involves electrophilic aromatic subsititution. It is a general method for the synthesis of subsituted salicyladehydes as depiced below:

The electrophile in this reaction is:

Options

A. `: CHCl`
B. `*CHCl_(2)`
C. `:C Cl_(2)`
D. `*C Cl_(3)`

Answer

C

Explanation

Electrophile is : `C Cl_(2)`.