Fritsch-Buttenberg-Wiechell rearrangement

What is Fritsch-Buttenberg-Wiechell rearrangement?

The Fritsch-Buttenberg-Wiechell rearrangement is a chemical reaction that involves the carbene-mediated rearrangement of 1,1-diaryl-2-haloethylenes to form diaryl acetylenes.

Fritsch–Buttenberg–Wiechell rearrangement
Fritsch-Buttenberg-Wiechell rearrangement

References

  • Fritsch, P. (1894), IV. Ueber die Darstellung von Diphenylacetaldehyd und eine neue Synthese von Tolanderivaten. [IV. On the preparation of diphenylacetaldehyde and a new synthesis of tolan derivatives.] Justus Liebigs Ann. Chem., 279: 319-323. https://doi.org/10.1002/jlac.18942790310
  • Buttenberg, W.P. (1894), Condensation des Dichloracetals mit Phenol und Toluol. [Condensation of dichloroacetal with phenol and toluene.] Justus Liebigs Ann. Chem., 279: 324-337. https://doi.org/10.1002/jlac.18942790311
  • Buttenberg, W.P. (1894), Condensation des Dichloracetals mit Phenol und Toluol. [Condensation of dichloroacetal with phenol and toluene.] Justus Liebigs Ann. Chem., 279: 324-337. https://doi.org/10.1002/jlac.18942790311
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