Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 34, # 10 p. 2128 - 2131
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 10 p. 2298 - 2302
in neat (no solvent) Electric Arc; decomposition in an electric arc between graphite electrodes (25 V, 18 A, 0.04-0.1 at, 2500-4000°C); reaction also in a graphite furnace at 1500°C;; turnover given;;