4 A molecular sieve in dichloromethane 1 h; Ambient temperature;

1: With 2-fluoro-pyridine; trifluoromethylsulfonic anhydride in dichloromethane T=-78 - 0°C; Inert atmosphere; 2: With triethylsilane in dichloromethane T=0 - 25°C; Inert atmosphere; 3: With sodium hydrogencarbonate in dichloromethane; water chemoselective reaction;

lithium tert-butylate in tetrahydrofuran; methanol T=50°C; 2 h; Inert atmosphere;

in methanol T=25°C; Rate constant;

1: With [RuN(saldach)(CH3OH)](+)[ClO4](-); phenyl silane in toluene 12 h; Reflux; 2: With hydrogenchloride in diethyl ether; water; toluene

titanium tetrachloride; magnesium; mercury dichloride in tetrahydrofuran T=0°C; 12 h; Yields of byproduct given;