Synthesis, multinuclear NMR spectra, and X-ray structures of tBu2PNP(I)tBu2 and EPR2NP(I)R2 (E = Se, Te; R = iPr, tBu).

Synthesis, multinuclear NMR spectra, and X-ray structures of tBu2PNP(I)tBu2 and EPR2NP(I)R2 (E = Se, Te; R = iPr, tBu).