[PCl2(NP(C6H5)3)2]Cl in dichloromethane (N2); a soln. of Si compd. added dropwise to a soln. of PCl2(NP(C6H5)3)2Cl, stirred for 24 h at 25°C; not isolated, detected by NMR;

[N(PCl2NP(C6H5)3)2]Cl in dichloromethane (N2); a soln. of Si compd. added to a soln. of N(PCl2NP(C6H5)3)2Cl, stirred for 24 h at 25°C; not isolated, detected by NMR;

[PCl2(NP(C6H5)3)2]Cl in dichloromethane (N2); a soln. of Si compd. added dropwise to a soln. of PCl2(NP(C6H5)3)2Cl, stirred for 24 h at 25°C; not isolated, detected by NMR;

1: With phosphorus trichoride in diethyl ether T=20°C; Cooling with ice; 2: With sulfuryl dichloride T=20°C; Cooling with ice;

sulfuryl dichloride in toluene T=0°C; 1 h;

in dichloromethane inert atmosphere; dropwise addn. of 0.5-1 equiv. PCl5 to amine at -78 or25°C, stirring for 30 min to 12 h; yields depending on educt rat io, reaction temp., time and rate of addn.; product mixt. not sepd., detd. by (31)P-NMR spectroscopy;