SOLID-STATE C-13 MAS NMR AS A TOOL FOR THE STUDY OF REACTIONS BETWEENCOMPOUNDS ADSORBED ON POROUS MATERIALS

It is shown that magic angle spinning (MAS) solid state C-13 NMR spect roscopy is a valuable tool for the study of reactions between compound s adsorbed on porous materials because it allows the direct characteri zation of surface species. The mobility of the adsorbed species yields high-resolution C-13 spectra at moderate spinning speeds (4 KHz) from which the reactions can be traced. Catalysis of KMnO4 oxidation of al cohols and proton transfer by the solid support is demonstrated.