M. Jang et al., DEFINITIVE EVIDENCE FOR A PAIRWISE ADDITION OF HYDROGEN TO A PLATINUMBIS(PHOSPHINE) COMPLEX USING PARAHYDROGEN-INDUCED POLARIZATION, Organometallics, 15(13), 1996, pp. 2863-2865
Through the use of parahydrogen-induced polarization (PHIP), conclusiv
e evidence has been obtained that H-2 addition to Pt(Ph(2)PCH(2)CH(Me)
OPPh(2)) proceeds in a concerted, pairwise manner. PHIP has also been
used in. conjunction with a 2D HMQC sequence to obtain P-31 and Pt-195
NMR spectra from submilligram samples in 2-5 min.