Erhitzen des getrockneten Reaktionsprodukts auf 180-220grad;

hydrogen; palladium on activated charcoal in methanol P=760.051 Torr; 16 h;

nickel T=90°C; P=73550.8 Torr; Hydrogenation;

acetic acid; platinum P=17652.2 Torr; Hydrogenation;

pyridine Yield given;

1: ammonium acetate / ethanol / 60 h / 20 °C / |Inert atmosphere; |Schlenk technique 2: pyridine / tetrahydrofuran / 12 h / 95 °C / |Inert atmosphere; |Schlenk technique 3: 4-(4-trifluoromethyl)-phenyl-4,5-dihydro-3H-dinaphtho[2,1-c;1',2'-e]phosphepine; hydrogen; bis(1,5-cyclooctadiene)-rhodium(I) tetrafluoroborate / ethanol / 24 h / 10 °C / 37503.8 Torr / |Autoclave; |Inert atmosphere View Scheme

(i) HCl, (ii) /BRN= 385737/, NaOAc; Multistep reaction;

lithium perchlorate (anodic oxidation);

P=1287.1 Torr; Hydrogenation;

T=20 - 35°C; anschliessend mit alkoh. Salzsaeure.Hydrogenation;