1: With sodium sulfate; 1-(chloromethyl)-4-fluoro-1,4-diazoniabicyclo-[2.2.2]octane bis(tetrafluoroborate) in acetonitrile Reflux; 2: With hydrogenchloride; water 0.5 h;

tris(dibenzylideneacetone)dipalladium (0); sodium t-butanolate; 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl in 1,4-dioxane T=110°C; 14 h; Inert atmosphere;

titanium tetrachloride; triethylamine in dichloromethane T=0 - 25°C;

T=120 - 122°C;