Internally Referenced Diffusion Coefficient−Formula Weight (D-FW) Analysis of ³¹P Diffusion-Ordered NMR Spectroscopy (DOSY)

Abstract

The development of (31)P DOSY NMR with diffusion coefficient-formula weight (D-FW) analysis is reported. Commercially available trialkyl phosphine internal references were used in a model system to establish the molecular weight of a phosphorous containing organolithium compound. The feasibility of (31)P DOSY D-FW studies is established. This extension of DOSY D-FW analysis expands its applicability to solution structure studies of a wide variety of compounds.