catalyst:dimethyl ether byproducts: ester of methyl boric acid; from 0°C (28 d) to 24°C (2 d); maximum yield at 22°C (5 d)and at molar ratio of (CF3)2PH:B2H6=1.875:2.577; very pure products;
nickel in neat (no solvent)
reaction in closed tube under H2 pressure of 600 Torr in 4 to 20 h at 100°C and after removal of excess H2 repeated heating to 150°C for 1 h;; after cooling with liquid N2, material is fractionated in vacuum;;