Schiemann Reaction (Balz-Schiemann Reaction)

G. Balz, G. Schiemann, Ber. 60, 1186 (1927).

Formation of diazonium fluoroborates by diazotization of aromatic amines in the presence of fluoroborates, followed by their thermal decomposition to aryl fluorides:

Reviews: A. Roe, Org. React. 5, 193 (1949); H. Suschitzky, Advan. Fluorine Chem. 4, 1 (1965); T. K. Al'sing, E. G. Sochilin, Zh. Org. Khim. 7, 530 (1971); R. Bartsch et al., J. Am. Chem. Soc. 98, 6753 (1976); H. G. O. Becker, G. Israel, J. Prakt. Chem. 321, 579 (1979).