Balz-Schiemann · Ar-NH₂ → Ar-F
unseel.com · ArN₂⁺BF₄⁻ → Ar-F + N₂ + BF₃ · 1927
Stage salt
Temp 5 °C
Step diazonium tetrafluoroborate salt
Aryl ring (C₆)
Diazonium N≡N⁺
Boron (B)
Fluorine (F)
Aryl cation / new C-F
Unseel.com · Balz-Schiemann