Herz reaction

The Heart reaction is an organic chemical name reaction, which is named after Richard 's heart. Here is an aniline derivative 1 with sulfur monochloride in a Sogn. Heart Salt 2 converted, whose hydrolysis provides a thiophenol derivative 3:

Applications

Benzothiazoles

The sodium thiophenolate 3 reacts with zinc sulfate at a Zinkmercaptid, reacting it with a carboxylic acid chloride - for example, benzoyl chloride, - to the 1,3- benzothiazol 4 performs:

Dyes

Aniline 5 is converted in several steps into the indigo -type dyes 8 or 9: