New tanthanide comptexes of acetylacetonate-meso-tetra-(4-pyridyt)porphyrin(LnTpypacac,Ln=Dy,Ho,Yb,Lu,H2Tpyp=tetra-(4-pyridyl)-porphyrin,Hacac=acetylacetone)were prepared byreaction of Ln(acac)3·3H2O with H2Tpyp and were characterized byelemental analyses,ultra-viotet spectra,infrared spectra andthermal analyses.
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