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
in benzene C8H4O2NSO2Cl dild. in waterfree dry benzene is treated with dry NH3 in coldness; ppt. is hydrolyzed by water;; filtration (from phthalimide); evapn. (25°C/vac.); extraction (CH3CO2C2H5);;
in petroleum ether soln. of SO2Cl2 (in dry petroleum ether) is slowly dropped into liquid ammonia; hydrolysis of the intermediately formed ammoniumsalt;;
