Studies on complex compounds of thorium(IV) with pyridine and quinoline carboxylic acid. Part I |
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| Authors: | Nimai C Ta Asit R Sarkar Tapas K Mukherjee |
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| Institution: | (1) Department of Chemistry, Chandernagore Govt. College, 712136 Chandernagore, India;(2) Department of Chemistry, Kalyani University, 741235 Kalyani, India |
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| Abstract: | Summary Thorium acetylacetonate Th(acac)4] reacts with pyridine carboxylic acids in acetone giving eight coordinate thorum(IV) complexes of the compositions Th(pic)4] and Th(picO)4] (picH = picolinic acid, picOH = picolinic acidN-oxide). The complex Th(dip)2] · 3H2O (dipH2 = pyridine-2,6-dicarboxylic acid) is also reported. Thorium(IV) complexes of the types Th(quin)2] · 2H2O and Th(quind)2(acac)2] (quinH2 = quinolinic acid or pyridine-2,3-dicarboxylic acid, quindH = quinaldinic acid) were prepared by the interaction of Th(acac)4] with the respective acids in acetone. The lower solubility and i.r. spectral studies of the complex Th(quin)2] · 2 H2O suggest that it is polymeric. |
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