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Additional recommended knowledge
This organic reaction was first described by the German chemist Otto Philipp Fischer and Eduard Hepp in 1886, and is of importance because para-NO secondary anilines cannot be prepared in a direct reaction.
The rearrangement reaction takes place by reacting the nitrosamine precursor with hydrochloric acid. The chemical yield in general are good under these conditions, but often much poorer if a different acid is used. The exact reaction mechanism is unknown but there is evidence suggesting an intramolecular reaction.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Fischer-Hepp_rearrangement". A list of authors is available in Wikipedia.|