Summary
The interaction of non-anhydrous solutions of the ligand 1,3-bis-(2-hydroxyphenyl)-1,3-propanedione (bhppH3) with hydrated rare earth chlorides resulted in the formation of anhydrous, non-solvated, complexes M(bhppH2)3 (M=Y, La, Nd, Pr, Sm or Yb). The complexes have been characterized by elemental analysis, t.g., i.r. and1H n.m.r. spectroscopy. The evidence suggests that the coordination is through the β-diketone site.
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Cea-Olivares, R., Wingartz, J., Cárdenas, J. et al. Rare earth metal complexes with 1,3-bis-(2-hydroxyphenyl)-1,3-propanedione. An example of anhydrous rare earth β-diketonates. Transition Met Chem 16, 62–64 (1991). https://doi.org/10.1007/BF01127874
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DOI: https://doi.org/10.1007/BF01127874