Weakness of various neutral ligands having oxygen as coordination atom was ranked on the basis of the pyrrole proton chemical shifts of planar [Fe(TPP)L2]+. Furthermore, weakness of the ligands, which is difficult to determine from the NMR data of planar [Fe(TPP)L 2]+, was successfully differentiated by the use of highly ruffled [Fe(TiPrP)L2]+. Among the 10 ligands examined, THF turned out to be the weakest ligand.
|Number of pages||2|
|Publication status||Published - 2004 Oct 5|
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