in tetrachloromethane boiled for 7 h using back-flow; distn. of CCl4, sublimation;
参考文献
Nielsen, D. R.; McEwen, W. E.
Journal of the American Chemical Society, 1957 , vol. 79, p. 3081 - 3084
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Gmelin Handbook: B: B-Verb.9, 5.2.8.3, page 226 - 229
in tetrachloromethane boiled for 7 h using back-flow; distn.;
参考文献
Nielsen, D. R.; McEwen, W. E.
Journal of the American Chemical Society, 1957 , vol. 79, p. 3081 - 3084
Full Text View citing articles Show Details
Gmelin Handbook: B: B-Verb.9, 5.2.8.3, page 226 - 229
in further solvent(s) heating a suspension of PO(OH)2NH2 in tetrachlorethane with PCl4 on refluxing under exclusion of H2O for 4 h;; filtration of insol. products; continous removal of HCl with stream of dry air; expelling POCl3 and solvent at 90 °C and 14 Torr; solidification in high vac. at 55-58 °C;;
