lithium aluminium tetrahydride; titanium tetrachloride; triethylamine 24 h; Ambient temperature;

silver tetrafluoroborate; 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; [RhCl(η2:η2-cycloocta-1,5-diene)]2 in 1,2-dichloro-ethane T=60°C; 1.5 h; Title compound not separated from byproducts.;