water; cesium fluoride in N,N-dimethyl-formamide addn. of Cr complex and butyraldehyde soln. to CsF under N2, 0°C; heating to 20°; after 1h addn. of H2O; stirring, 30 min; addn. of diethylether; filtration; washing filtrate (H2O); drying (K2SO4); evapn.; fractionated crystn. (n-hexane); elem. anal.;
cesium fluoride in N,N-dimethyl-formamide addn. of Cr complex to CsF under N2, 20°C; successive dropwise addn. of DMF and aldehyde via syringe; addn. of diethyl ether; reacting, 6h; filtration; washing filtrate (H2O); drying (K2SO4); evapn. to dryness; fractionated crystn. (n-hexane); elem. anal.;
cesium fluoride in N,N-dimethyl-formamide stirring at room temp. for 6.0 h in inert atm.; washed with water, diluted with ether, filtered, dried with Na2SO4, crystd. in n-hexane;
