The method of preparation of some rare earth chelates of 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5 are reported. IR, UV and PMR spectra of the ligand and chelates have been recorded, discussed, and assignments made. The stoichiometry of the complexes were confirmed by elemental analyses.
Journal of Inorganic and Nuclear Chemistry 01/1980; 42(8):1155-1159. DOI:10.1016/0022-1902(80)80428-3