tropylium hexafluorophosphate in tetrahydrofuran Re complex in THF treated with org. reagent in THF under N2, mixture stirred for 2 h at room temp.; evapn., extn. (hexane), concn.;

in tetrahydrofuran To a rhenium-complex in THF is added Re(CO)5(1-) under N2, under stirring the reaction mixture is warmed up to room temp.; sepn. of resulting ppt., removal of solvent, addn. of CH3OH to residue and stirring for 3 min, sepn. of a light yellow ppt., drying of ppt. under vac., sublimation to separate Re2(CO)10, elem. anal.;

in tetrahydrofuran Kinetics; byproducts: Br(1-); under inert atmosphere; mixt. of carbonyl anion and carbonyl halide (molar ratio 1:1) in THF at 25°C, monitored by IR until react. was complete; concn., extn. (hexane), sepn. (column chromy.), characterized by IR;

in tetrahydrofuran chromy. (Florisil);

in tetrahydrofuran To a rhenium-complex in THF is added Re(CO)5(1-) under N2, under stirring the reaction mixture is warmed up to room temp.; sepn. of resulting ppt., removal of solvent, addn. of CH3OH to residue and stirring for 3 min, sepn. of a light yellow ppt., drying of ppt. under vac., sublimation to separate Re2(CO)10, elem. anal.;

in tetrahydrofuran

in tetrahydrofuran N2-atmosphere; addn. of Re-complex soln. to solid ICCI, stirring (17 h); concentration (vac.), cooling (-13°C, crystn.);