in not given byproducts: Pt; catalytic hydrogenation of NH2PO(OC6H5)2; catalyst Pt-oxide; react. forming (NH2)PO(OH)2 and cyclohexane; complete react. after 10-15 h;; isolation of the acid from formed Pt by extraction with a small amount of H2O; pptn. with an excess of acetone or alc., cooling with ice for 1 h and sucking off;;
in not given byproducts: PbS; formation of the Na salt of the acid by saponification of diphenylamidophosphate with concd. NaOH;; isolation as Pb salt; formation of the free acid by react. of the Pb salt with H2S in H2O at 0 °C; pptn. of formed PbS with ethanol;;
参考文献
Stokes, H. N.
American Chemical Journal, 1893 , vol. 15, p. 198 - 214
in not given byproducts: PbS; formation of the K salt of the acid by saponification of diphenylamidophosphate with concd. NaOH;; isolation as Pb salt; formation of the free acid by react. of the Pb salt with H2S in H2O at 0 °C; pptn. of formed PbS with ethanol;;
参考文献
Stokes, H. N.
American Chemical Journal, 1893 , vol. 15, p. 198 - 214
