Synthetic Methods and Reactions; 1101. Fluorination of 1-Haloadamantanes and -diamantane with Nitronium Tetrafluoroborate/Pyridine Polyhydrogen Fluoride or Sodium Nitrate/Pyridine Polyhydrogen Fluoride - Olah, George A; Shih, Joseph G; Singh, Brij P; Gupta, B G B (Synthesis, 1983)