in water aq. NH3 soln. mixed with SO2F2 and CaCO3 (pptn. of F(1-)) in sealed tube; shaken (15 min per l SO2F2);; filtration (from Ca compounds); evapn. (40°C/vac.); vac. (removal of remaining NH3 over concd. H2SO4); recrystn.;;
参考文献
Traube, W.; Reubke, E.
Ber., 1923 , vol. 56, p. 1656 - 1663
in Petroleum ether addn. of SO2Cl2 in dry petroleum ether to liquid NH3 (cooling: solid CO2 in CHCl3/CCl4); removal of cooling (removal of excess NH3); decanting of solvent; warming; - further information (to diminish vehemence of reaction) given;; extraction (soxhlet/CH3COOCH3); evapn.; drying (vac.); recrystn. from water; further information (extraction/increase of yield) given;;
参考文献
Degering, E. F.; Gross, G. C.
Industrial and Engineering Chemistry, 1943 , vol. 35, p. 751 - 753
