Syntheses and Characterization of Rare Earth Complex with Polyaza Polycarboxylic Macrocycle Na [Ln(DOTMA)(H2O)]·2H2O

Abstract

Abstract: The 1,4,7,10-tetraazadodecane (abbreviatedas cyclen)was synthesized according to the methods of Richman and Atkins,and the 1,4,7,10-tetraazadodecane-α,α',α",α-tetramethyl-1,4,7, 10-tetraacetic acid(abbreviated as DOTMA ) was synthesized by the reactin of cyclone with 2-chloropropanoic acid.The complexes were synthesized by the reaction of DOTMAwith rare earth chloride,and characterized by elementary analysis, thermal analysis and IRspectra.The structure forms of the complexes were expressed as Na [Ln(DOTMA)(H₂O)]·2H₂O, in which Ln is La, Nd, Er, respectively.

Key words: Rare earth, Polyaza polycarboxylic acid, Complex

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CHEN De-Fu, JIN Tian-Zhu. Syntheses and Characterization of Rare Earth Complex with Polyaza Polycarboxylic Macrocycle Na [Ln(DOTMA)(H₂O)]·2H₂O[J]. Chem. J. Chinese Universities, 1996, 17(8): 1179.

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Syntheses and Characterization of Rare Earth Complex with Polyaza Polycarboxylic Macrocycle Na [Ln(DOTMA)(H₂O)]·2H₂O

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