References

  1. Substituted Heterocyclic Compounds by Selective Control of Halogen-Dance Reactions, J. Fröhlich, Progr. Heterocycl. Chem., 1994, 6, 1.
  2. Synthesis of 2-Substituted 3,5-Dibromothiophenes via a Rearrangement Reaction: A New Example of a Base-Catalyzed Halogen Dance Reaction, F.Sauter, H.Fröhlich and W.Kalt, Synthesis 1989, 10, 771.
  3. Base Catalyzed Halogen Dance Reaction at Thiophenes: A Spectroscopic Reinvestigation of the Synthesis of 2,5-Dibromo-3-trimethylsilyl-thiophene, H.Fröhlich and W.Kalt, J.Org.Chem. 1990, 55, 2993.
  4. Synthesis of Trisubstituted Thiophenes via a Halogen Dance Reaction at 2-Bromo-5-methylthiophene , J. Fröhlich, C. Hametner and W. Kalt, Institute of Organic Chemistry, Technical University Vienna, Monatsh. f. Chemie 1996, 127, 325.