- Halogen phosphines (RnPX3-n)
- Aminoalkyl(aryl) phosphines (Alk2N)nPR3-n
- Amino chloro phosphines (Alk2N)nPCl3-n
- Bis(dichlorophosphino)polymethylenes (Cl2P(CH2)nPCl2)
- Bis[dialkyl(aryl)phosphino]polymethylenes (R2P(CH2)nPR2)
- Bis[dialkyl(aryl)phosphino]polymethylenes monooxides (R2P(CH2)nP(O)R2)
- Phosphine borane complexes R2PH*BH3
- Alkyl, aryl and alkoxy derivatives of silicon, germanium and tin